Technical Regulations of the Customs Union "On the safety of equipment operating under excessive pressure" (TR CU 032/2013)

This technical regulation has been developed in accordance with the Agreement on Common Principles and Rules of Technical Regulation in the Republic of Belarus, the Republic of Kazakhstan and the Russian Federation of November 18, 2010.

This technical regulation establishes in the customs territory of the Customs Union uniform mandatory safety requirements for equipment operating under excessive pressure, put into circulation for the first time and intended for use in the customs territory of the Customs Union (hereinafter referred to as equipment), ensuring the free movement of equipment.

If other technical regulations of the Customs Union have been adopted with respect to the equipment, establishing requirements for it, then such equipment must also comply with the requirements of these technical regulations of the Customs Union.

1. This technical regulation establishes safety requirements for equipment during development (design), production( manufacture), as well as requirements for marking equipment in order to protect human life and health, property, and prevent actions that mislead consumers.

2. This technical regulation applies to the following types of equipment:

a) vessels intended for gases, liquefied gases dissolved under pressure, and vapors used for working media of group 1 and having:

the maximum permissible working pressure is more than 0.05 MPa, the capacity is more than 0.001 m and the product of the maximum permissible working pressure value by the capacity value is more than 0.0025 MPa · m;

the maximum permissible working pressure is over 20 MPa, the capacity is over 0.0001 m to 0.001 m inclusive.

The categories of vessels intended for gases and used for working media of group 1 are given in Table 1 of Annex N 1 to this technical regulation;

b) vessels intended for gases, liquefied gases dissolved under pressure, and vapors used for working media of group 2 and having:

the maximum permissible working pressure is more than 0.05 MPa, the capacity is more than 0.001 m and the product of the maximum permissible working pressure value by the capacity value is more than 0.005 MPa · m;

the maximum permissible working pressure is over 100 MPa, the capacity is over 0.0001 m to 0.001 m inclusive.

The categories of vessels intended for gases and used for working media of group 2 are given in Table 2 of Annex N 1 to this technical regulation;

c) vessels intended for liquids used for working media of group 1 and having:

the maximum permissible working pressure is more than 0.05 MPa, the capacity is more than 0.001 m and the product of the maximum permissible working pressure value by the capacity value is more than 0.02 MPa · m;

the maximum permissible working pressure is over 50 MPa, the capacity is over 0.0001 m to 0.001 m inclusive.

The categories of vessels intended for liquids and used for working media of group 1 are given in Table 3 of Annex N 1 to this technical regulation;

d) vessels intended for liquids used for working media of group 2 and having:

the maximum permissible working pressure is more than 1 MPa, the capacity is more than 0.01 m and the product of the maximum permissible working pressure value by the capacity value is more than 1 MPa · m;

the maximum permissible working pressure is over 100 MPa, the capacity is over 0.0001 m to 0.01 m inclusive.

The categories of vessels intended for liquids and used for working media of group 2 are given in Table 4 of Annex N 1 to this technical regulation;

e) boilers with a capacity of more than 0.002 m, designed to produce hot water with a temperature of more than 110°C, or steam with an excess pressure of more than 0.05 MPa, as well as fire-heated vessels with a capacity of more than 0.002 m.

The categories of steam, hot water boilers and vessels with fire heating are given in Table 5 of Annex N 1 to this technical regulation;

f) pipelines having a maximum permissible operating pressure of more than 0.05 MPa, a nominal diameter of more than 25 mm, intended for gases and vapors and used for working environments of group 1.

The categories of pipelines intended for gases and vapors and used for working environments of group 1 are given in Table 6 of Annex N 1 to this technical regulation;

g) pipelines having a maximum permissible working pressure of more than 0.05 MPa, a nominal diameter of more than 32 mm and the product of the maximum permissible working pressure value by the value of the nominal diameter of more than 100 MPa * mm, intended for gases and vapors and used for working environments of group 2.

The categories of pipelines intended for gases and vapors and used for working environments of group 2 are given in Table 7 of Annex N 1 to this technical regulation;

h) pipelines having a maximum permissible working pressure of more than 0.05 MPa, a nominal diameter of more than 25 mm and the product of the maximum permissible working pressure value by the nominal diameter value of more than 200 MPa * mm, intended for liquids and used for working media of group 1.

The categories of pipelines intended for liquids and used for working environments of group 1 are given in Table 8 of Annex N 1 to this technical regulation;

i) pipelines having a maximum permissible working pressure of more than 1 MPa, a nominal diameter of more than 200 mm and the product of the maximum permissible working pressure value by the value of a nominal diameter of more than 500 MPa * mm, intended for liquids and used forworking media of group 2.The categories of pipelines intended for liquids and used for working environments of group 2 are given in Table 9 of Annex N 1 to this technical regulation;

j) elements of the equipment (assembly units) and components to it that withstand the impact of pressure;

l) fittings having a nominal diameter of more than 25 mm (for equipment with a working medium of group 1), fittings having a nominal diameter of more than 32 mm (for equipment used for gases with a working medium of group 2), fittings having a nominal diameter of more than 200 mm (for pipelines intended for liquids and used for working media of group 2);

m) indicating and safety devices;

h) pressure chambers (except for single medical ones);

o) safety devices and devices.

3. This technical regulation does not apply to the following products:

a) main pipelines, in-field and local distribution pipelines intended for the transportation of gas, oil and other products, with the exception of equipment used at pressure control stations or compressor stations;

b) gas distribution networks and gas consumption networks;

c) equipment specially designed for use in the field of nuclear energy, equipment working with a radioactive environment;

d) vessels operating under the pressure created by an explosion inside them in accordance with the technological process or during gorenje in the mode of self-propagating high-temperature synthesis;

e) equipment specially designed for use on sea and river vessels and other floating vehicles and objects of underwater application;

f) braking equipment of rolling stock of railway transport, motor transport and other means of transportation;

g) vessels specially designed for use on airplanes and other aircraft;

h) defense equipment;

i) parts of machines that are not independent vessels (pump or turbine housings, cylinders of steam, hydraulic, internal combustion engines, air machines and compressors);

k) medical single pressure chambers;

l) equipment with aerosol sprayers;

m) shells of high-voltage electrical equipment (switchgear, distribution mechanisms, transformers and rotating electrical machines);

h) shells and casings of elements of electric energy transmission systems (power supply cable products and communication cables) operating under excessive pressure;

o) equipment made (manufactured) from a non-metallic flexible (elastic) shell;

p) mufflers for exhaust or gas intake noise;

p) containers or siphons for carbonated beverages.

4. For the purposes of this technical regulation, the concepts used mean the following:

"cylinder" - a vessel having 1 or 2 necks for the installation of valves, flanges or fittings, intended for the transportation, storage and use of compressed, liquefied or dissolved gases under pressure;

"pressure chamber" - a vessel in which a reduced and (or) increased pressure is created, which is equipped with devices and equipment and in which it is possible to accommodate people;

"barrel" is a vessel of cylindrical or other shape, which can be rolled from one place to another and placed on the ends without additional supports and which is intended for transportation and storage of liquid and other substances;

"commissioning" - a documented event that records the readiness of the equipment for use (use);

"capacity" - the volume of the internal cavity of the equipment, determined by the nominal dimensions specified in the drawings;

"group of working environments" - a set of working environments divided into:

group 1, including working media consisting of flammable, oxidizing, combustible, explosive, toxic and highly toxic gases, liquids and vapors in a single-phase state, as well as their mixtures;

group 2, which includes all other working environments that are not assigned to group 1;

"internal pressure", "external pressure" - excessive pressure acting on the internal or external surfaces of the wall of the equipment;

"test pressure" - the excess pressure at which the equipment is tested for strength and density;

"working pressure" - the maximum excess pressure that occurs during the normal flow of the working process;

"permitted pressure" - the maximum permissible excess pressure for the equipment (element), established on the basis of a compliance assessment and (or) a strength control calculation;

"design pressure" - the pressure at which the strength of the equipment is calculated;

"conditional pressure" - the calculated pressure at a temperature of 20°C, used for calculating the strength of standard vessels (assemblies, parts, fittings);

"nominal diameter", "conditional passage" - a numerical designation of the size equal to the rounded value of the inner diameter, which is indicated for all components of the equipment, except for components specified by the outer diameter or by the thread size. The nominal diameter and the conditional passage are indicated in millimeters without indicating the dimension;

"identification of equipment" - the procedure for assigning equipment to the scope of this technical regulation and establishing compliance of equipment with the attached technical documentation;

"manufacturer" - a legal entity or an individual registered as an individual entrepreneur who carry out the production or production and sale of equipment on their own behalf and are responsible for its compliance with the safety requirements of this technical regulation;

"waste heat boiler" is a device in which combustible gases or other technological flows are used as a heat source;

"energy-technological boiler" - a steam or hot-water boiler (including a sodoregeneration boiler), in the furnace of which processing of technological materials is carried out;

"electrode boiler" is a steam or hot water boiler that uses heat generated when an electric current flows through water

"electric heating boiler" - a steam or hot water boiler that uses the heat generated by electric heating elements;

"hot water boiler" is a device designed to heat water that is under pressure above atmospheric pressure and is used as a heat carrier outside of this device;

"steam boiler" - a device designed to generate steam with a pressure higher than atmospheric, used outside of this device;

"safety justification" is a document containing a risk analysis, as well as information from design, operational, technological documentation on the minimum necessary safety measures, accompanying the equipment at all stages of the life cycle and supplemented with information on the results of risk assessment at the operational stage after major repairs;

"limit state of the equipment" - the state of the equipment in which its further operation is unacceptable;

"intended use" - the use of the equipment in accordance with its purpose and technical characteristics specified in the manufacturer's technical documentation;

"serial production" is a type of production characterized by the production of homogeneous products according to standard design solutions and (or) the use of standard technological processes associated with unchanging types of equipment, including assembly operations, for the manufacture (production) of constantly repeating equipment parts, regardless of the types of their further assembly;

"equipment repair" - restoration of damaged, worn out or unusable vessel elements for any reason, bringing them to a working condition;

"assigned resource" - the total operating time, upon reaching which the operation of the equipment must be stopped regardless of its technical condition;

"vessel" is a hermetically sealed container (permanently installed or mobile) intended for conducting chemical, thermal and other technological processes, as well as for storing and transporting gaseous, liquid and other substances;

"assigned service life" - the calendar duration of operation of the equipment, upon reaching which operation must be terminated regardless of its technical condition;

"estimated service life" - the service life in calendar years, established during the design and calculated from the date of commissioning of the equipment;

"working medium temperature" - the minimum (maximum) temperature of the medium during the normal flow of the technological process;

"design wall temperature" - the temperature at which the physical and mechanical characteristics, the permissible stress of the material are determined and the strength of the equipment elements is calculated;

"permissible wall temperature" - the maximum (minimum) wall temperature at which the equipment can be operated;

"person authorized by the manufacturer" - a legal entity or an individual registered in accordance with the legislation of a member state of the Customs Union and the Single Economic Space on its territory as an individual entrepreneur who performs the functions of a foreign manufacturer on the basis of an agreement with him in terms of ensuring compliance of equipment with the requirements of this technical regulation and in terms of liability for non-compliance of equipment with the requirements of this technical regulation;

"safety devices" - devices designed to protect vessels, boilers, pipelines from destruction when the permissible values of the pressure or temperature are exceeded;

"life cycle" - the time period from the moment of release of the equipment by the manufacturer to its disposal;

"tank" - a mobile vessel permanently installed on the frame of a railway platform, on the chassis of a car (trailer), including a tanker truck, or on other means of transportation, intended for the transportation and storage of gaseous, liquid and other substances;

"equipment operation" - the stage of the life cycle from the moment of commissioning of the equipment to its disposal;

"equipment element" is an assembly unit of equipment designed to perform one of its main functions.

5. The equipment is put into circulation on the market if it complies with this technical regulation and other technical regulations of the Customs Union, which apply to this equipment, and provided that it has passed an assessment (confirmation) of compliance in accordance with section VI of this technical regulation and other technical regulations of the Customs Union, which apply to it.

6. Equipment whose compliance with the requirements of this technical regulation is not confirmed is not subject to marking with a single product circulation mark on the market of the member states of the Customs Union and is not allowed to be put into circulation.

7. The equipment must be developed (designed) and manufactured (produced) in such a way that, when used for its intended purpose, operation and maintenance, its compliance with safety requirements is ensured.

8. In order to determine the risks for the equipment, the factors representing the following main types of hazards should be taken into account:

a) the presence of unprotected movable elements;

b) vibration;

c) the presence of explosive and fire-hazardous elements;

d) unacceptable deviations of design parameters, assembly units and safety devices that affect safety;

e) fire, natural and man-made emergencies;

f) overheating;

g) excess pressure (the operating pressure does not exceed the permitted one);

h) damage associated with the deposition of impurities of the working medium on the internal surfaces of equipment elements;

i) corrosion or other types of wear on the surface of equipment elements;

j) malfunction of safety devices and safety systems;

l) termination of the auxiliary equipment;

m) extinguishing of torches in the furnace during chamber combustion of fuel;

h) the disappearance of voltage on all control and measuring devices, remote and automatic control devices;

o) lowering the level of the liquid working medium below the minimum permissible level;

p) raising the level of the working environment above the maximum permissible level;

p) reduction of the coolant flow through the boiler below the minimum permissible value;

c) reducing the pressure of the coolant in the boiler path below the minimum permissible level of the value;

t) an increase in the temperature of the coolant at the outlet of the equipment to the limit value specified by the manufacturer;

y) failure of the direct-acting working environment level indicators.

9. For the identified types of hazards, a risk assessment is carried out during the design by calculation, experimental, expert means or according to the operation data of similar types of equipment.

10. The equipment, depending on the capacity or nominal diameter, as well as the maximum permissible operating pressure, is classified into categories (1st, 2nd, 3rd and 4th) in accordance with Annex N 1 to this technical regulation.

11. The safety of the equipment is ensured by observing the safety requirements set out in this section and Annex N 2 to this technical regulation during the development (design), manufacture (production).

12. During the manufacture (production) of safety equipment and devices, the manufacturer ensures their compliance with the parameters and characteristics established by the project documentation and the requirements of this technical regulation.

13. The manufacturer conducts tests of the equipment provided for in the project documentation.

14. Deviations from the design documentation during the manufacture (production) of equipment are agreed with the developer (designer).

15. The equipment must be safe during the entire service life when the consumer performs the measures to ensure its safety established in the technical documentation.

16. The technical documentation attached to the equipment includes:

a) equipment passport;

b) a copy of the security justification;

c) general view drawing;

d) passports of safety devices (if they are available in accordance with the project documentation);

e) calculation of the capacity of safety devices (if available in accordance with the project documentation);

f) calculation of the strength of the equipment;

g) operating manual (instruction);

h) drawings, diagrams, calculations and other documentation in accordance with the delivery contract (contract).

17. The equipment passport is the main document for identifying the equipment.

The presence of an equipment passport is mandatory for the circulation of equipment in the customs territory of the Customs Union at all stages of the equipment life cycle.

The equipment passport is issued by the manufacturer.

The manufacturer's seal is affixed to the equipment passport and the date of its registration is indicated.

18. Depending on the type of equipment, the equipment passport must contain information in accordance with paragraphs 19-23 of this technical regulation.

19. The pipeline passport includes the following information:

a) the name and address of the owner company;

b) purpose;

c) date of manufacture (production);

d) working environment;

e) working parameters of the working medium: pressure, MPa (kgf / cm), temperature, °C;

e) estimated service life;

g) estimated resource;

h) the estimated number of launches;

i) diagrams, drawings, certificates and other documents for the manufacture (production) and installation of the pipeline.

20. The boiler passport includes the following information (the amount of information is formed by the manufacturer depending on the type of boiler):

a) general information:

manufacturer's name and address;

date of manufacture (production);

type (model);

name and purpose;

factory number;

estimated service life;

estimated resource of the boiler and main parts;

estimated number of launches;

geometric dimensions of the boiler and its elements;

b) technical characteristics and parameters:

the calculated type of fuel and its heat of combustion, MJ/kg (kcal/kg);

fuel consumption, m/h (t / h);

type and characteristics of the furnace unit (burners);

design, working, test pressure, MPa (kgf/cm);

maximum permissible hydraulic resistance of the boiler at nominal capacity, MPa (kgf / cm);

minimum allowable pressure at nominal temperature, MPa (kgf / cm);

nominal steam temperature at the boiler outlet, °C;

calculated temperature of superheated steam (liquid), °C;

nominal temperature of the liquid at the boiler inlet, °C;

nominal and maximum temperature of the liquid at the outlet of the boiler, °C;

nominal, minimum and maximum permissible steam capacity, t / h;

nominal, minimum and maximum heating capacity, kW;

heating surface of the boiler and main parts, m;

capacity, m;

minimum and maximum permissible fluid flow, m / h;

c) information about safety devices (including the type, quantity, installation location, cross-sectional area, nominal diameter, steam or liquid flow rate, the value (range) of the opening start);

d) information about liquid (water) level indicators (including the type of indicator, quantity, installation location);

e) information about the main valve (including the number, nominal diameter, nominal pressure, operating parameters, housing material, installation location);

f) information about the main equipment for measuring, controlling, signaling, regulating and automatic protection (including quantity, type (brand));

g) information about pumps (including type, quantity, operating parameters, type of drive);

h) information about the main elements of the boiler made (manufactured) from sheet steel (including the number, dimensions, material, welding and heat treatment);

i) information about the boiler elements made (produced) from pipes (including the number, dimensions, material, welding and heat treatment);

j) information about fittings, covers, bottoms, transitions, flanges (including quantity, dimensions, material);

l) information about the heat carrier (including the name, the maximum permissible application temperature, the self-ignition temperature in the open space, the solidification temperature, the boiling point, the change (curve) of the boiling point depending on the pressure, other data affecting safe operation);

m) drawings, diagrams, drawings of the boiler and its main elements and other documents (a summary sheet of factory changes, a complete list, a specification indicating the main dimensions of assembly units, etc.);

n) other information that ensures the safety of operation of the boiler.

21. The vessel passport includes the following information:

a) general information:

manufacturer's name and address;

date of manufacture (production);

factory number;

estimated service life;

b) information about technical characteristics and parameters:

operating, design, test pressure, MPa (kgf/cm);

operating temperature of the working medium, °C;

design wall temperature, °C;

minimum permissible negative wall temperature, °C;

name of the working environment;

working environment group;

increase to compensate for corrosion (erosion), mm;

capacity, m;

empty vessel weight, kg;

maximum mass of the filled medium, kg;

c) information about the main parts (including quantity, dimensions, material, welding (soldering));

d) information about fittings, flanges, covers, fasteners (including quantity, dimensions, material);

e) information about safety devices, main fittings, control and measuring devices, safety devices (including the number, nominal diameter, design pressure, housing material, installation location);

f) drawings, diagrams, drawings of the vessel and other documents (a summary sheet of factory changes, a complete list, a specification indicating the main dimensions of assembly units, etc.);

g) other information that ensures the safety of operation of the vessel.

22. The cylinder passport includes the following information:

a) general information:

manufacturer's name and address;

date of manufacture (production);

cylinder designation;

the environment for which the balloon is intended;

factory number;

b) information about technical characteristics and parameters:

working pressure, MPa (kgf / cm);

test pressure, MPa (kgf/cm);

the main dimensions of the cylinder, the drawing of the cylinder;

capacity, l;

weight, kg;

carving on the necks;

sealing of the necks;

operating temperature range, °C;

maximum number of gas stations;

estimated service life from the date of manufacture (production), years;

c) requirements for the transportation and storage of the cylinder;

d) requirements for the installation of the cylinder;

e) requirements for the operation of the cylinder;

f) other information that ensures the safety of operation of the cylinder.

23. The valve passport includes the following information:

a) general information:

manufacturer's name and address;

date of manufacture (production);

name, designation and identification (factory) number;

purpose of the valve;

information about the confirmation of compliance;

b) information about the technical parameters:

nominal diameter (DN);

nominal pressure (PN) or working pressure (Pp), MPa (kgf / cm);

working environment;

working environment temperature, °C;

tightness of the shutter;

climatic design and environmental parameters;

type of connection to the pipeline;

hydraulic characteristics (resistance coefficient, or conditional throughput, or flow coefficient);

resistance to external influences (if it is necessary to specify this information);

weight, kg;

reliability indicators;

security indicators;

type of drive and its main technical characteristics;

c) information about the materials of the main parts;

d) other information that ensures the safety of operation of the boiler.

24. The manufacturer has the right to supplement the information specified in paragraphs 19-23 of this technical regulation with information reflecting the design features of a particular equipment.

25. The equipment safety justification is prepared at the stage of equipment development (design).

The safety justification provides an analysis of the risks to the equipment, as well as the minimum necessary measures to ensure safety.

The original of the equipment safety justification is kept by the developer (designer), and a copy is kept by the equipment manufacturer and the organization operating the equipment.

26. The equipment manufacturer must provide the equipment with an operating manual (instruction manual).

The operating manual (instruction) is prepared at the stage of equipment development (design).

27. The operating manual (instruction) includes:

a) information about the design, principle of operation, characteristics (properties) of the equipment;

b) instructions for installation or assembly, adjustment or adjustment, maintenance and repair of equipment;

c) instructions for the use of the equipment and safety measures that must be observed during the operation of the equipment (including commissioning, intended use, maintenance, all types of repairs, periodic diagnostics, testing, transportation, packaging, preservation and storage conditions);

d) assigned indicators (assigned storage period, assigned service life and / or assigned resource), depending on the design features.

After the expiration of the assigned indicators (assigned storage period, assigned service life and (or) assigned resource) specified in the operating manual (instructions), the operation of the equipment is stopped and a decision is made to send it for repair, or disposal, or to check and establish new assigned indicators (assigned resource, storage period, service life);

e) a list of critical failures, possible erroneous actions of personnel that lead to an incident or accident;

f) actions of personnel in the event of an incident, critical failure or accident;

g) criteria of limit states;

h) instructions for decommissioning and disposal;

i) information about the qualifications of service personnel;

j) the name, location and contact information of the manufacturer (the person authorized by the manufacturer), the importer.

28. The operating manual (instruction) is compiled in Russian and, if there is a corresponding requirement in the legislation of the member states of the Customs Union and the Single Economic Space (hereinafter referred to as the Member states), in the official languages of the member states.

The operating manual (instruction) is issued on paper, and a set of operational documents on electronic media may be attached. A set of non-household equipment may be accompanied by an operating manual (instruction) only on an electronic medium, at the manufacturer's choice.

29. The equipment is marked in the form of clear and indelible inscriptions containing the following information:

a) the name and (or) designation of the type, brand, model of equipment;

b) parameters and characteristics that affect safety;

c) the name of the material from which the equipment (elements) are made (produced);

d) the manufacturer's trademark (if available);

e) factory number;

f) date of manufacture (production).

30. The place of marking is determined by the project organization and is indicated in the operating manual (instructions).

If the information specified in paragraph 29 of this technical regulation cannot be applied directly to the equipment, they can only be specified in the operating manual (instructions) attached to this equipment.

31. The equipment intended for the transportation of liquefied petroleum gases (cylinders and tankers) shall be marked with a distinctive color and identification information in accordance with the requirements provided for in Annex N 3 to this technical regulation. When covering (covering) the specified equipment with corrosion-resistant and heat-insulating materials, painting along the entire length may not be performed.

32. The elements and components of the equipment are marked in accordance with the supply contract (contract). The marking should ensure their identification.

33. The technical documentation for the equipment is kept by the manufacturer (a person authorized by the manufacturer) during the estimated service life from the date of decommissioning of this equipment or termination of its production.

34. The rules for the operation of equipment are established by the legislation of the Member States.

35. The compliance of the equipment with the requirements of this technical regulation is ensured by directly fulfilling these requirements or by fulfilling the requirements of the standards included in the list of standards, as a result of the application of which compliance with the requirements of this technical regulation is ensured on a voluntary basis.

36. The methods of research (testing) and measurement of equipment are established by the standards included in the list of standards containing the rules and methods of research (testing) and measurement, including the rules of sampling necessary for the application and fulfillment of the requirements of this technical regulation and the assessment (confirmation) of compliance of equipment.

37. The equipment put into circulation in the customs territory of the Customs Union is subject to assessment (confirmation) of compliance with the requirements of this technical regulation.

38. The assessment (confirmation) of the equipment's compliance with the requirements of this technical regulation is carried out in the form of state control (supervision) and in the form of conformity confirmation.*38)

39. State control (supervision) over compliance with the requirements of this technical regulation is carried out in accordance with the legislation of the Member states.*39)

40. Confirmation of the equipment's compliance with the requirements of this technical regulation (hereinafter referred to as confirmation of compliance) is carried out by:

a) certification by an accredited certification body (assessment (confirmation) of conformity) included in the Unified Register of Certification Bodies and Testing Laboratories (centers) of the Customs Union (hereinafter referred to as the certification body);

b) declaration of conformity on the basis of its own evidence and (or) evidence obtained with the participation of a certification body or an accredited testing laboratory (center) included in the Unified Register of Certification Bodies and Testing Laboratories (centers) of the Customs Union (hereinafter - the accredited testing laboratory).

41. Conformity assessment is carried out according to the certification and declaration schemes established by this technical regulation.

42. The declaration of compliance of the equipment with the requirements of this technical regulation is carried out by the applicant in respect of equipment of the 1st and 2nd categories, as well as equipment of any category, the additional preparation of which with the use of non-removable connections is carried out at the place of operation.

43. Certification is carried out in relation to equipment of the 3rd and 4th categories.

44. The only document confirming the compliance of the equipment with the requirements of this technical regulation is either a declaration of conformity or a certificate of conformity.

45. When carrying out the conformity assessment, the applicant forms a set of documents for the equipment, which includes:

a) safety justification;

b) equipment passport;

c) operating manual (instructions);

d) project documentation;

e) the results of strength calculations and calculations of the carrying capacity of safety devices (if available in accordance with the project);

f) technological regulations and information about the technological process (data on the materials used, semi-finished products, components, welding materials, methods and parameters of welding modes and heat treatment, methods and results of non-destructive testing);

g) information about the tests (measurements)carried out;

h) test reports of equipment carried out by the manufacturer, a person authorized by the manufacturer and (or) an accredited testing laboratory;

i) a document confirming the characteristics of materials and components (if available);

j) certificates of conformity, declarations of conformity or test reports for materials, components (if available);

k) the list of standards specified in section V of this technical regulation, which were applied in the manufacture (production) of equipment (if applied by the manufacturer);

m) documents confirming the qualifications of the manufacturer's specialists and personnel;

h) other documents directly or indirectly confirming the compliance of the equipment with the requirements of this technical regulation (if available).

46. The declaration of compliance of the equipment with the requirements of this technical regulation is carried out according to the following schemes:

a) scheme 1d is applied to mass-produced equipment of the 1st and 2nd categories, while the applicant forms a set of documents specified in paragraph 45 of this technical regulation, performs production control and takes measures to ensure that the production process ensures that the equipment meets the requirements of this technical regulation, tests samples in a testing laboratory or an accredited testing laboratory, accepts and registers a declaration of conformity;

b) the 2d scheme is applied to a batch of equipment (a single product) of the 1st and 2nd categories, while the applicant forms a set of documents specified in paragraph 45 of this technical regulation, tests samples in a testing laboratory or an accredited testing laboratory, accepts and registers a declaration of conformity;

c) the 3d scheme is applied to mass-produced equipment elements of the 1st and 2nd categories and components of equipment of the 1st and 2nd categories, while the applicant forms a set of documents specified in paragraph 45 of this technical regulation, performs production control and takes measures to ensure that the production process ensures compliance of equipment elements and components with the requirements of this technical regulation, tests samples in an accredited testing laboratory, accepts and registers the declaration of conformity;

d) scheme 4d is applied to a batch of equipment elements of the 1st and 2nd categories and components of equipment of the 1st and 2nd categories, while the applicant forms a set of documents specified in paragraph 45 of this technical regulation, tests samples in an accredited testing laboratory, accepts and registers a declaration of conformity;

e) the 5d scheme is applied to the equipment of the 1st, 2nd, 3rd and 4th categories, the additional preparation of which with the use of non-removable connections is carried out at the place of operation in the following cases:

it is not possible to conduct tests in full before installing the equipment at the place of its operation;

when developing (designing) and manufacturing (manufacturing) equipment, the standards specified in paragraph 36 of this technical regulation were not applied, including for innovative equipment. When applying the 5d scheme, the applicant forms a set of documents specified in paragraph 45 of this technical regulation, performs production control and takes measures to ensure that the production process ensures that the equipment meets the requirements of this technical regulation, and sends an application to the certification body for conducting a study of the type of equipment;

the certification body conducts a study of the type of equipment, taking into account the documents received from the applicant. If the applicant has not applied the standards specified in paragraph 36 of this technical regulation, the certification body evaluates the possibility of replacing the requirements of these standards with the declared requirements. The study of the type of equipment, depending on the documents submitted by the applicant, is carried out in one of the following ways:

examination of the sample as a representative of all the equipment produced subsequently;

examination of the submitted documents, testing of the sample or the main (critical) components of the equipment;

registration and issuance of a certificate for the type of equipment to the applicant by the certification body in case of positive results of research on the type of equipment according to a single form approved by the decision of the Eurasian Economic Commission. The specified certificate is an integral part of the declaration of conformity. The stated requirements for the equipment contained in it, recognized as sufficient evidence of the equipment's compliance with the requirements of this technical regulation, are used during inspections of compliance with the requirements of this technical regulation conducted by state control (supervision) bodies; * 46.5.6)

the applicant accepts the declaration of conformity and registers it in accordance with the established procedure.

47. When declaring compliance according to the schemes 1d, 3d and 5d, applicants may be a legal entity or an individual registered in accordance with the legislation of a member state on its territory as an individual entrepreneur, who are manufacturers or persons authorized by the manufacturer.

When declaring compliance under the 2d and 4d schemes, applicants may be a legal entity or an individual registered in accordance with the legislation of a member state on its territory as an individual entrepreneur, who are manufacturers, sellers or persons authorized by the manufacturer.

48. The documents specified in paragraph 45 of this technical regulation, as well as the standards specified in section V of this technical regulation, are used as evidentiary materials that are the basis for the adoption of a declaration of conformity on the basis of their own evidence.

49. The test reports of the equipment can be used as evidentiary materials that are the basis for the adoption of a declaration of conformity on the basis of their own evidence, if there are values of indicators in them that confirm the compliance of the declared equipment with all the requirements of this technical regulation that apply to it.

50. The declaration of conformity is drawn up in accordance with the unified form of the declaration of compliance with the requirements of the technical regulations of the Customs Union and the rules for its registration approved by the Decision of the Board of the Eurasian Economic Commission of December 25, 2012 N 293.

51. The declaration of conformity is subject to registration in accordance with the established procedure. The validity of the declaration of conformity begins from the date of its registration in the Unified Register of Issued Certificates of Conformity and Registered Declarations of Conformity. The validity period of the declaration of conformity of mass-produced equipment is no more than 5 years. The validity period of the declaration of conformity is not established for a batch of equipment (a single product).

The declaration of conformity of a batch of equipment to the requirements of this technical regulation applies only to equipment related to a specific batch.

52. Equipment certification is carried out according to the following schemes:

a) scheme 1c is applied to mass-produced equipment, while:

the applicant forms a set of documents specified in paragraph 45 of this technical regulation and submits an application for certification to the certification body;

the certification body takes samples from the applicant for testing;

an accredited testing laboratory conducts tests of equipment samples;

the certification body analyzes the state of the manufacturer's production and the results of the tests of equipment samples and, if the results are positive, issues a certificate of conformity to the applicant;

the certification body conducts inspection control over the certified equipment by testing samples in an accredited testing laboratory and (or) analyzing the state of production;

b) scheme 3c is applied to a batch of equipment, while:

the applicant forms a set of documents specified in paragraph 45 of this technical regulation and submits an application for certification to the certification body;

the certification body or an accredited testing laboratory takes samples from the applicant for testing;

an accredited testing laboratory conducts tests of equipment samples;

the certification body analyzes the test results of equipment samples and, if the results are positive, issues a certificate of conformity to the applicant;

c) scheme 4c is applied to a single product, while:

the applicant forms a set of documents specified in paragraph 45 of this technical regulation and submits an application for certification to the certification body, which must contain identifying features of a single product;

the certification body informs the applicant of the decision on the application containing the conditions for certification;

an accredited testing laboratory, on behalf of the certification body, conducts tests of a single product;

the certification body analyzes the test results of a single product and, if the results are positive, issues a certificate of conformity to the applicant;

d) scheme 7c is applied to equipment intended for serial and mass production, as well as in the case of planning modifications of equipment, while:

the applicant forms a set of documents specified in paragraph 45 of this technical regulation and submits an application for certification to the certification body;

the certification body conducts a study of the type of equipment in one of the following ways:

study of a sample of equipment for planned production as a typical representative of all future products;

analysis of technical documentation, testing of a sample of equipment or basic components.

The results of the study are formalized by a conclusion in which the certification body assesses the compliance of the type of equipment with the established requirements.

The analysis of the applicant's production status is carried out by the certification body. The results of the analysis are formalized by an act.

If the results of the equipment type research and production analysis are positive, the certification body issues a certificate of conformity and issues it to the applicant.

53. The certification body conducts inspection control of certified equipment during the entire validity period of the certificate by testing equipment samples in an accredited testing laboratory and (or) analyzing the state of production. If the results of the inspection control are positive, the validity of the certificate of conformity is considered confirmed, as indicated in the inspection control act. In case of negative results of inspection control, the certification body makes one of the following decisions:

a) suspend the validity of the certificate of conformity;

b) cancel the validity of the certificate of conformity.

54. When making changes to the design (composition) of the equipment or its production technology, which may affect the compliance of the equipment with the requirements of this technical regulation, the applicant notifies the certification body in advance in writing, which decides on the need for new tests and (or) analysis of the state of production of the equipment.

55. When certifying according to schemes 1c and 7c, applicants may be a legal entity or an individual registered in accordance with the legislation of a member state on its territory as an individual entrepreneur, who are manufacturers or persons authorized by the manufacturer.

When certifying according to schemes 3c and 4c, applicants may be a legal entity or an individual registered in accordance with the legislation of a member state on its territory as an individual entrepreneur, who are manufacturers, sellers or persons authorized by the manufacturer.

56. The applicant may apply for certification to any certification body that has the appropriate field of accreditation.

57. The certificate of conformity is issued in accordance with the unified form of the certificate of compliance with the requirements of the technical regulations of the Customs Union and the rules for its registration approved by the Decision of the Board of the Eurasian Economic Commission of December 25, 2012 N 293.

58. The validity period of the certificate of conformity of the equipment is:

a) when using the scheme 1c, 3c and 4c - 5 years;

b) when using the 7c scheme - during the assigned service life or assigned resource.

59. Documents and materials confirming the results of certification are stored in the certification body that issued the certificate of conformity during the estimated service life of the equipment that has passed the certification procedure.

60. At the request of consumers (purchasers) and (or) interested persons, a copy of the declaration of conformity or certificate of conformity must be provided to them free of charge by the manufacturer (a person authorized by the manufacturer) or the seller.

61. Equipment that meets the requirements of this technical regulation and has passed the conformity assessment procedure is marked with a single product circulation mark on the market of the member states of the Customs Union.

62. Marking with a single sign of circulation of products on the market of the member states of the Customs Union is carried out before the equipment is put into circulation on this market.

63. A single product circulation mark on the market of the member states of the Customs Union is applied to each piece of equipment in any way that provides a clear and clear image during the entire service life of the equipment, and is also provided in the operational documents attached to it.

64. Marking of equipment with a single product circulation mark on the market of the member states of the Customs Union indicates that it meets the requirements of all technical regulations of the Customs Union that apply to this equipment and provide for the application of a single product circulation mark on the market of the member states of the Customs Union.

65. The authorized bodies of the member states shall take all measures to restrict and prohibit the release of equipment into circulation in the customs territory of the Customs Union, as well as to withdraw equipment from the market that does not meet the requirements of this technical regulation.*65.1)

In this case, the authorized body of one member State is obliged to notify the authorized bodies of other Member States of the decision taken, indicating the reason for its adoption and providing evidence explaining the need to implement this measure.

1. The categories of equipment are determined in accordance with tables 1-9 of this document.

Safety devices are classified according to the 4th category, with the exception of safety devices manufactured (manufactured) for specific equipment, which can be classified according to the same category as the equipment for which they are manufactured (manufactured).

2. The category of equipment intended for operation with a design temperature above the transition temperature of metal creep is increased by 1 (except for the 4th category).

3. The transition creep temperature is:

400°C for carbon and low-alloy silica-manganese steels;

450°C-for low-alloy chromium-molybdenum and chromium-molybdenum-vanadium steels;

525°C - for alloyed high-chromium martensitic grade and austenitic steels;

575°C-for iron-nickel and nickel-based alloys.

1. When developing (designing) equipment, its strength is calculated taking into account the predicted loads that may occur during its operation, transportation, transportation, installation and predicted deviations from such loads. The following factors are taken into account:

a) loads acting on the internal and external surfaces of the equipment;

b) ambient temperature and working environment temperature;

c) static pressure under operating conditions and pressure under test conditions from the weight of the contents in the equipment;

d) inertial loads during movement, wind and seismic effects;

e) reactive forces (counteractions) that are transmitted from supports, fasteners, pipelines;

f) fatigue under variable loads;

g) erosive and corrosive effects of the environment, including erosive and corrosive wear;

h) chemical reactions due to the instability of the processed media and the technological process;

i) changes in the mechanical properties of materials during operation.

2. The equipment must exclude the possibility of causing harm in the following cases::

a) closing and opening of hatches or equipment condition monitoring devices;

b) performing technological operations related to putting the equipment under pressure, putting the equipment into operation, as well as with pressure relief;

c) performing technological operations associated with the risk of personnel falling from the work site for equipment maintenance;

d) the occurrence of excessive pressure or vacuum inside the equipment when people are inside this equipment;

e) the occurrence of an unacceptable temperature of the external surfaces;

f) decomposition of unstable working environments.

3. The equipment is designed taking into account the possibility of carrying out the checks necessary to confirm its compliance with safety requirements.

4. The design of the equipment determines its boundaries (limits).

5. The project, depending on the purpose of the equipment, should provide for its equipment:

a) safety devices;

b) by means of measuring the level of the liquid working medium;

c) by means of pressure measurement;

d) by means of measuring the temperature of the working medium;

e) shut-off and control valves;

f) feeding devices;

g) devices for monitoring thermal movements.

6. The design of the equipment must ensure safe access of personnel to safety devices and devices for monitoring the parameters of the working environment of the equipment.

7. The design of the equipment should provide for the use of:

a) means of control and measurement, the error of which in operating conditions does not exceed the maximum permissible deviation of the control parameter;

b) measuring instruments in accordance with the operating conditions of the equipment.

8. The project should provide for equipping the equipment with environmental drainage and air removal devices that allow:

a) avoid hydraulic shock, vacuum failure, corrosion or the occurrence of uncontrolled chemical reactions (operation and testing processes must be taken into account);

b) ensure safe cleaning, monitoring and maintenance.

9. The design of the equipment should provide for ensuring the safety of filling or draining processes of the equipment in the event of:

a) overflow or excess pressure, as well as if it is necessary to operate the equipment under pressure that occurs periodically when filling the equipment;

b) uncontrolled draining of the working medium when draining the equipment;

c) the danger associated with connecting to the pressure source and disconnecting from it when filling or draining the equipment.

10. In order to prevent corrosion, erosion and corrosion wear or other chemical effects of the working environment during operation and to protect the equipment from them, it is provided:

a) minimization of these impacts due to constructive execution;

b) the possibility of replacing equipment elements that may be exposed to this effect.

11. If necessary, the equipment is equipped with devices that minimize the consequences of an external fire.

It is necessary to provide additional lighting for the safe operation of the equipment. Internal parts and areas of equipment that require frequent inspection, adjustment and maintenance should have lighting that ensures safety.

12.In equipment for which there is a risk of overheating, factors that arise as a result of overheating of the equipment and reduce its safety are excluded or minimized. For these purposes, the following are provided:

a) devices for limiting the supply or removal of heat, limiting the level of the working medium in order to exclude local or general overheating of the metal;

b) places of sampling of the working medium in order to assess its impact on the formation of impurity deposits and (or) corrosion damage;

c) measures to prevent damage associated with impurity deposits;

d) devices for the safe removal of residual or excessive heat after disconnecting the equipment;

e) measures to exclude the formation of explosive and fire-hazardous mixtures, as well as the spread of flames (fire barriers, flame detectors, hydraulic valves).

13. The assessment of the strength of the equipment is based on calculation methods or on the results of experimental tests without calculation, used in cases where the product of the maximum permissible working pressure and the capacity of the equipment is less than 0.6 MPa * m or if the product of the maximum permissible working pressure and the nominal diameter is less than 300 MPa * mm.

14. The following calculation methods are used to calculate the strength of the equipment, which can complement each other:

a) using the formulas given in the norms for calculating the strength of the equipment;

b) based on the numerical analysis of the stress state;

c) based on the consideration of limit states and fracture mechanics.

15. When calculating the strength, all possible loads and factors and the probability of their simultaneous occurrence, all possible mechanisms of destruction (viscous or brittle, creep of materials, fatigue of materials, corrosion cracking) are taken into account in accordance with the purpose of the equipment and its operation processes.

16. To ensure the strength of the equipment, the following conditions are necessary:

a) the value of the design pressure must be not less than the maximum permissible operating pressure for which the equipment is intended. The calculated pressure value takes into account the static pressure and dynamic loads of the working medium, the increase in pressure due to the instability of the working media and technological processes. For equipment consisting of several chambers operating with different pressure values, either each pressure separately or a pressure that requires a greater wall thickness of the calculated equipment element is taken as the calculated pressure;

b) design temperatures provide safe limits for the use of materials and equipment;

c) the equipment and materials from which the equipment is made (produced) are used in the range of design temperatures;

d) all possible combinations of pressure, temperature and other loads arising during operation, transportation, transportation and testing of equipment are taken into account.

17. When calculating the strength, the following characteristics of materials are taken into account:

a) yield strength, conditional yield strength at 0.2 percent and 1 percent of residual deformation at normal and design temperatures;

b) temporary resistance (tensile strength) at normal and design temperatures;

c) the limit of long-term strength or creep limit at the design temperature and a given number of hours;

d) characteristics of low-cycle strength or fatigue at a given number of cycles and stress level;

e) the modulus of longitudinal elasticity (Young's modulus) at normal and design temperatures;

e) the values of plastic deformation at the rupture of standard samples;

g) impact strength;

h) fracture toughness (stress intensity coefficient).

18. Strength calculations are made taking into account the strength coefficients of welded joints, the values of which depend on the materials being welded, welding technology (soldering), the shape of the joint, the method and volume of non-destructive testing and the processes of equipment operation. Equipment elements operating under external pressure or experiencing compressive stresses from other loads must be checked for the stability of the mold.

19. When calculating the strength of the equipment, the predicted deviations of the operating parameters during its operation, the permissible inaccuracies of manufacturing (production), possible deviations of the mechanical characteristics of the materials used are taken into account.

20. The strength calculation provides a safety margin of the equipment, which is taken into account when determining the permissible stresses.

21. The permissible stress when calculating the strength according to the maximum loads of equipment operating under static loads is determined by the following formulas:

a) for plastic carbon and low-alloy, ferritic, austenitic-ferritic martensitic steels and iron-nickel-based alloys:

b) for austenitic chromium-nickel steel, aluminum, copper and their alloys:

26.In the equipment, thermoplastic or reactoplastic polymer materials can be used as a binder.

The curing (polymerization) temperature of the binder should be lower than the softening temperature of the non-metallic binder material.

The softening temperature of the material must be at least 100°C.

27. The welded joints must not have external or internal defects (damages) that may affect the safety of the equipment. The minimum values of the mechanical characteristics of the welded joints of the equipment must not be lower than the minimum values of the mechanical characteristics of the materials being joined.

28. The input control of welded joints is performed by the equipment manufacturer. The methods of non-destructive testing and its scope are determined by the developer of the equipment project based on the need for more accurate and complete identification of unacceptable defects, taking into account the characteristics of the properties of materials, and are specified in the design documentation of the equipment.

29. When calculating the strength of welded joints of equipment elements, the value of the permissible stress is multiplied by the strength coefficient of the welds 1. The value of the strength coefficient of the welds is determined when calculating the strength of the equipment, depending on the material, the scope of control, welding technology and the design of the weld.

30. For maximum stresses occurring in the places of the edge effect or stress concentration determined on the basis of numerical analysis, the safety margin coefficients are set depending on the mechanical characteristics of the materials used and the type of stress state.

31. Experimental tests for the strength of the equipment are carried out on a sample. During the testing process, it is possible to monitor critical areas of the equipment with the help of control and measuring devices that can reliably register deformations and stresses.

32. The program of experimental tests includes:

a) pressure tests for tightness and strength to confirm the absence of leakage of the working medium or residual deformations exceeding the permissible values;

b) creep and fatigue tests of materials, which are carried out taking into account the processes of equipment operation;

c) additional tests that take into account the actions of other factors and are carried out if necessary.

33. When developing (designing) equipment, technical operational characteristics are established that minimize the possibility of an accident incident during its operation.

34. The equipment is manufactured (manufactured) from materials and semi-finished products provided for in the project documentation and ensuring its compliance with safety requirements throughout its entire service life.

35. The equipment is manufactured (manufactured) from materials and semi-finished products that have the marking provided for in the supply contract (without damage), which provides the possibility of identification with the data of the documentation of the manufacturer of materials or semi-finished products.

36.The manufacturer's marking must be preserved on the sheets, plates, pipes and forgings used in the manufacture (production) of equipment. If there is a cutting of semi-finished products into parts, then an identical marking must be applied to each of them in the way that was used when marking the manufacturer of materials.

37. When choosing materials and (or) semi-finished products for the manufacture (production) of equipment, it is necessary:

a) determine the indicators for design calculations, as well as the main characteristics of materials and their ability to process;

b) provide in the technical documentation data on the materials used in the manufacture (production) of equipment.

38. Materials are used in the manufacture (production) of equipment:

a) having properties (plasticity, strength) that allow them to be used during operation and withstand the test conditions of the equipment. When choosing a material, its fragility or crack resistance is taken into account. When using a brittle material, measures are provided to exclude brittle fracture (increase in the safety factor);

b) having chemical resistance to the working environment for which the equipment is intended. Changes in the chemical and physical properties of materials during the entire assigned service life or the assigned resource of the equipment should not lead to a violation of its safe operation;

c) suitable for the intended types of processing;

d) selected in such a way that when they are connected to each other, the strength of the equipment is ensured during the service life of the equipment.

39. The material used in the equipment is considered plastic if, during the tensile test, its elongation after rupture is at least 14 percent, and the impact strength determined on samples with a KCV type concentrator (with a V-shaped incision) is at least 27 J / cm at a temperature above 20 °C, but not above the minimum permissible temperature.

40. If during the manufacture (production) the characteristics of the material change or residual stresses occur that affect the safety of the equipment, then its heat treatment is carried out. The type of heat treatment of equipment and its modes are determined by the developer of the equipment project.

41. When manufacturing (manufacturing) safety equipment and devices, the manufacturer ensures their compliance with the characteristics and parameters provided for in the project documentation, in accordance with the safety requirements of the technical regulations of the Customs Union "On the safety of equipment operating under excessive pressure" (TR CU 032/2013), taking into account the applied technological processes and control systems.

42. In the manufacture (production) of parts by rolling, stamping, rounding the edges, changes in the mechanical characteristics of materials, the presence of damage, cracks and other defects that may affect the safety of the equipment are not allowed.

43. The elements of the equipment assembled together must ensure the safety of the equipment and correspond to its purpose. All non-removable or welded joints of equipment elements must be available for non-destructive testing.

44. Equipment equipped with quick-release covers must have devices that exclude the possibility of turning on the equipment under pressure when the lid is not fully closed and opening the lid if there is excessive pressure in the equipment.

45. Safety devices are installed on the boiler to ensure automatic shutdown of the boiler or its elements in case of unacceptable deviations from the design operating modes.

46. An element of the equipment, the internal volume of which is limited by a shut-off valve and the pressure in which can increase beyond the permissible, is equipped with safety devices that automatically prevent an increase in pressure beyond the permissible by releasing the working medium into the atmosphere or the disposal system.

47. As safety devices, the following are used:

a) direct-acting lever-load safety valves;

b) direct-acting spring safety valves;

c) pulse safety devices consisting of a pulse valve and a main safety valve;

d) safety devices with collapsible membranes (membrane safety devices).

48. Safety devices are placed in places accessible for their maintenance.

49. Discharge pipelines of safety devices and pulse lines of pulse safety devices in places of possible accumulation of condensate are equipped with drainage pipelines for condensate removal.

Installation of shut-off valves or other fittings on drainage pipelines is not allowed. The medium coming out of the safety devices and drains is diverted to a safe place. The discharged explosive, technological and toxic media of group 1 are sent to closed systems for further disposal, or to organized combustion systems, or to the atmosphere - for gases with a density of 0.8 or less in relation to air.

It is forbidden to combine discharges containing substances that are capable of forming explosive mixtures or unstable compounds when mixed.

50. The design of the connecting pipelines of safety devices (supply, discharge and drainage) should exclude the possibility of freezing of the working medium in them.

When installing several safety devices on one branch pipe or pipeline, the cross-sectional area of the branch pipe or pipeline must be at least 1.25 of the total cross-sectional area of the safety valves installed on it. When determining the cross-section of the connecting pipeline with a length of more than 1000 mm, the value of its linear resistance (pressure loss) is taken into account.

51. A lever-load safety valve or a spring safety valve is equipped with a device for checking the serviceability of their operation during the operation of the equipment by forcibly opening.

The pulse safety valve is equipped with a device that allows the forced opening of the safety valve remotely using the control panel.

The design of spring safety valves must exclude the possibility of tightening the spring beyond the value set by the adjustment for actuation at a given pressure. The springs of the safety valves are protected from unacceptable heating or cooling, as well as from direct exposure to the working environment.

52. The equipment designed for an operating pressure that is less than the pressure of the source feeding it is equipped with an automatic reducing device with a pressure gauge and a safety valve installed on the side of the lower pressure after the reducing device on the supply connecting pipeline.

Reduction-cooling devices provide automatic temperature control. In case of installation of a bypass line(bypass) it is also equipped with a reducing device.

53. For a group of vessels operating at the same pressure, it is allowed to install 1 reducing device with a pressure gauge and a safety valve on a common supply connecting pipeline to the first branch to one of the vessels. In this case, the installation of safety devices on the vessels themselves is optional, if the possibility of pressure increase is excluded in them.

If the automatic reducing device cannot work reliably due to the physical properties of the working medium, it is allowed to install a flow regulator, while protection against pressure increase is provided.

54. The number of safety valves, their dimensions and throughput capacity are determined in such a way that an excess pressure exceeding the maximum permissible operating pressure is not created in the equipment:

a) by more than 0.05 MPa - for vessels in which the excess pressure is less than 0.3 MPa;

b) by 15 percent - for vessels in which the excess pressure is from 0.3 to 6 MPa inclusive;

c) by 10 percent - for vessels in which the excess pressure is more than 6 MPa.

55. When the safety valves are operating, the excess pressure in the vessel is allowed by no more than 25 percent of the maximum permissible operating pressure, provided that this excess is provided for in the manual (instructions) for the operation of the vessel.

56. Safety valves must protect boilers, superheaters, economizers and pipelines from exceeding the pressure in them by more than 10 percent of the maximum permissible operating pressure. Exceeding the pressure when the safety valves are fully opened by more than 10 percent of the maximum permissible operating pressure is allowed if this is provided for by the calculation of the strength of the boiler, superheater, economizer and pipeline.

57. Only pulse safety valves are installed on steam boilers with a working pressure of more than 4 MPa (except for mobile boilers and boilers with a steam capacity of less than 35 t/h). It is not allowed to install lever-load safety valves on mobile boiler installations.

58.Safety valves are installed on each steam and hot water boiler and a superheater that is switched off according to the working environment. The number and places of their installation are determined during development (design).

The total throughput of the safety devices installed on the boilers must be at least the nominal capacity of this equipment.

59. The flow capacity of safety valves is confirmed by the corresponding tests of the head sample of the safety valve of this design, carried out by its manufacturer, and is indicated in the equipment passport.

60. Safety devices on steam and hot water boilers are installed on the pipes or pipelines directly connected to the boilers, as follows:

a) on steam boilers with natural circulation without a superheater - on the upper drum or suhoparnik;

b) on steam direct-flow boilers, as well as on boilers with forced circulation - on output collectors or output steam pipe;

c) on hot water boilers - on the output collectors or drum;

d) on intermediate superheaters, it is possible to install all safety devices of the superheater on the steam inlet side;

e) in water-cut-off economizers - at least 1 safety device at the outlet and inlet of water.

61. If the boiler has a non-switched superheater, a part of the safety valves with a capacity of at least 50 percent of the nominal capacity of the boiler is installed on the output collector of the superheater.

62. On steam boilers with a working pressure of more than 4 MPa, pulse safety valves of indirect action are installed on the output collector of an unconnected superheater or on the steam pipe to the main shut-off valves, while in drum boilers for 50 percent of the valves according to the total throughput, steam for pulses is taken from the boiler drum.

If there are an odd number of identical valves, it is allowed to take steam for pulses from the drum for at least one third, but not more than one second of the valves installed on the steam boiler. In block installations, in the case of placing safety valves on the steam line directly at the turbines, it is allowed to use superheated steam for the pulses of all safety valves, while an additional electric pulse is supplied for 50 percent of the valves from a contact pressure gauge connected to the boiler drum.

If there are an odd number of identical safety valves, it is allowed to supply an additional electric pulse from the contact pressure gauge connected to the boiler drum for at least one third, but not more than one second of the valves.

63. For disconnected boiler economizers, the places of installation of safety valves, the method of their adjustment and the values of their opening pressure are determined by the designer.

On direct-flow steam boilers, in which, during kindling or stopping the boiler, the first (in the course of water) part of the heating surface is disconnected from the rest of the heating surface by shut-off valves, the need for installation, the number and dimensions of safety valves for the first part of the heating surface are determined by the design documentation.

64. Membrane safety devices are installed on vessels and pipelines:

a) if the lever-load and spring safety valves cannot be used due to their inertia or for other reasons;

b) before the safety valves if the safety valves cannot work reliably due to the harmful effects of the working environment (corrosion, erosion, polymerization, crystallization, boiling, freezing) or possible leaks of explosive, toxic, environmentally harmful substances through the closed valve. In this case, a device must be provided on the equipment that allows monitoring the serviceability of the membrane;

c) in parallel with safety valves to increase the throughput of pressure relief systems;

d) on the output side of the safety valves to prevent the harmful effects of working media from the side of the discharge system and to exclude the influence of back pressure fluctuations from this system on the reliability of the safety valves.

65. The necessity and place of installation of membrane safety devices, as well as their design, are determined by the equipment design. Safety membranes are installed only in the attachment points intended for them.

Membrane safety devices are placed in places that are open and accessible for inspection, their installation and dismantling. The connecting pipelines are protected from freezing of the working medium in them, and the safety devices themselves are installed on the pipes or pipelines directly connected to the equipment.

When installing the diaphragm safety device in series with the safety valve (in front of the valve or behind it), the cavity between the membrane and the safety valve is communicated by a discharge tube with a signal pressure gauge (to monitor the serviceability of the membranes).

It is allowed to install a switching device in front of the membrane safety devices in the presence of twice the number of membrane devices, while ensuring that the equipment is protected from excess pressure at any position of the switching device.

66. To control the liquid level in the equipment having the interface of the media, means of measuring the level of the liquid working medium are used. Along with the liquid level indicators, sound, light and other alarms and locks for the maximum liquid levels are installed on the equipment.

67. On a steam boiler, with the exception of a direct-flow boiler, and on a vessel heated by a flame or combustible gases, in which it is possible to lower the liquid level below the permissible level, at least 2 direct-acting liquid level indicators are installed.

It is allowed to additionally install indirect liquid level indicators as duplicates. The number and places of installation of liquid level indicators in steam boilers (including those with step-by-step evaporation in drums or with a remote separator), with the exception of direct-flow boilers, and in vessels heated by flame or combustible gases are determined by the equipment design.

68. The direct-acting liquid level indicator must be independently connected to the equipment. It is allowed to install 2 direct-acting liquid level indicators on a connecting pipe (column) with a diameter of at least 70 mm.

Installation of intermediate flanges and shut-off valves at direct-acting liquid levels, with the exception of sensors for signaling the maximum liquid levels, is not allowed. This requirement does not apply to the flanges of the shut-off valves that are part of the liquid level indicators.

Connection to the direct-acting liquid level indicator and its connecting pipes or fittings of other devices is not allowed, except for the sensor of the liquid level limit indicator, if the operation of the liquid level indicator is not disrupted.

69. The configuration of the pipes connecting the liquid level indicators to the equipment should exclude the formation of water bags in them and ensure the possibility of cleaning the pipes. The connecting pipes must be protected from thermal heating by fuel combustion products and from freezing.

70. Direct-acting liquid level indicators are located and illuminated so that the liquid level is visible from the workplace of the service personnel. On equipment with an operating pressure of more than 4 MPa, direct-acting liquid level indicators are equipped with covers to protect personnel in case of destruction of transparent plates.

71. The width of the viewing slot of the liquid level indicator is determined by the equipment design.

72. The liquid level indicators are provided with shut-off valves for disconnecting them from the equipment and for purging. The opening and closing directions are indicated on the shut-off valves (cast, knocked out or painted), and the position of its through hole is additionally indicated on the crane. The internal diameter of the passage of the shut-off valve must be at least 8 mm. To drain the water when purging the liquid level indicators, funnels with a protective device and a discharge pipe are provided to ensure the discharge of the equipment.

73. When the pressure in the equipment is more than 4.5 MPa, the liquid level indicators are provided with 2 sequentially arranged sets of shut-off valves to disconnect them from the equipment.

74. If the distance from the platform from which the liquid level in the equipment is monitored to the direct-acting liquid level indicator is more than 6 m, and also if the liquid level is not visible from the workplace of the service personnel, 2 reduced remote liquid level indicators are installed. In this case, 1 direct-acting liquid level indicator can be installed on the equipment.

The reduced remote liquid level indicators are connected directly to the equipment by separate fittings independently of other liquid level indicators and have calming devices.

75. On heat recovery boilers and power technology boilers, remote liquid level indicators are installed on the control panel (panels) for these boilers.

76. Steam boilers with electric heating are equipped with an automatic power off system when the liquid level drops below the maximum permissible level.

77. Boilers are equipped with automatic sound and light alarms of the upper and lower limit water levels. A similar alarm system should operate according to all parameters that trigger automatic devices and safety devices to stop.

78. Steam boilers, regardless of the type and steam capacity, are equipped with automatic feed water supply regulators. Steam boilers with a steam temperature at the outlet of the main or intermediate superheater of more than 400°C are equipped with automatic devices for regulating the steam temperature.

79. On boilers having a superheater, means of measuring the temperature of superheated steam are provided on each steam pipe to the main shut-off valve. On boilers with intermediate steam overheating, temperature measuring devices are installed at the steam inlet and outlet.

80. On boilers with natural circulation and superheating of steam with a steam capacity of more than 20 t / h, direct-flow boilers with a steam capacity of more than 1 t/h, together with indicating measuring instruments, measuring instruments with continuous recording of the temperature of superheated steam are provided.

81. On superheaters with several parallel sections, in addition to measuring the steam temperature value installed on common superheated steam pipelines, means of periodic measurement of the steam temperature value at the outlet of each section are installed, and on steam boilers with a steam temperature of more than 500°C - on the output part of the superheater coils, 1 measuring device for each meter of the flue width.

82.On steam boilers with a steam capacity of more than 400 t/h, measuring instruments with continuous recording of the steam temperature are installed on the output part of the superheater coils. On steam boilers with steam coolers, measuring instruments of the corresponding values are installed to regulate the value of the steam overheating temperature before and after the steam cooler.

83.At the water inlet to the economizer and the water outlet from the economizer, as well as on the feed water pipelines of steam boilers without economizers, means for measuring the feed water temperature are provided.

84. On hot-water boilers, water temperature measuring devices are installed at the water inlet to the boiler and at the water outlet from the boiler.

85. On hot-water boilers with a steam capacity of more than 4.19 t/h, recording means for measuring the water temperature at the outlet of the boiler are installed.

86. To control the temperature of the metal and prevent its increase beyond the permissible values during kindling, stops and maneuvering modes of the boiler, means of measuring the temperature of the walls of its elements are provided. The need to install temperature measuring devices, their number and placement are determined by the developer of the boiler project.

87. Vessels operating at a changing temperature of the walls are equipped with temperature measuring devices to control the speed and uniformity of heating of the vessel body along the length and height, as well as indicators of thermal movements. The need to equip vessels with temperature measuring devices and indicators of thermal displacement, the permissible speed of heating and cooling of vessels are determined by the developer of the vessel design and are indicated by the manufacturer in the equipment passport or in the operating manual (instructions).

88. The equipment and its individual cavities with different pressure values are equipped with direct-acting pressure measuring devices.

89. Steam boilers with a steam capacity of more than 10 t / h and hot water boilers with a steam capacity of more than 21 GJ/h must be equipped with a pressure measuring device.

90. Pressure measuring instruments are placed:

a) on the boiler drum;

b) on a boiler with a superheater behind the superheater in front of the main shut-off valve;

c) on the fitting of the vessel or on the pipeline between the vessel and the shut-off valve;

d) on a direct-flow boiler behind the superheater in front of the main shut-off body.

91. On hot-water boilers, pressure measuring devices are placed at the water inlet to the boiler and at the water outlet from the boiler in front of the shut-off valves.

92. The accuracy class of the pressure measuring device must be at least:

a) 2.5 - at a working pressure of not more than 2.5 MPa;

b) 1.5 - at an operating pressure from 2.5 to 14 Mpa inclusive;

c) 1 - at an operating pressure of more than 14 MPa.

93. When installing a pressure measuring device at a height of more than 5 m, a duplicate pressure measuring device is provided.

94. The design of the equipment provides for the possibility of safe purging, checking and disconnecting the pressure measuring device.

95. The type of valve, its quantity and installation location are determined by the developer of the equipment project based on the safety and disconnections of the equipment and its elements provided for by the project.

96. When feeding feed water into boilers in a group, the pump head is selected taking into account the requirements of the technical regulations of the Customs Union "On the safety of equipment operating under excessive pressure" (TR CU 032/2013), as well as based on the conditions for providing power to the boiler with the highest working pressure or with the greatest pressure loss in the feed water pipeline.

97. Water supply by feeding devices is determined by the nominal capacity of steam boilers, taking into account the water consumption for continuous or periodic purging, steam cooling, ensuring the functioning of reduction-cooling and cooling devices, as well as taking into account the possibility of water or steam loss.

98. The type, characteristics, quantity and switching scheme of feeding devices ensure the safe operation of the boiler during operation, including emergency stops.

99. When developing (designing) pipelines, it is necessary:

a) for pipelines with a nominal diameter of more than 150 mm with a working medium temperature of 300°C or more, determine the required number of displacement indicators in the project to control the thermal expansion of pipelines and monitor the correct operation of the support and suspension system;

b) provide devices for removing condensate in cases where its formation is possible inside pipes transporting vapor-gas working media. These devices should be located at the lower points of the pipelines;

c) take into account the possibility of damage from violations of the hydraulic regime, as well as from erosion and corrosion wear;

d) provide measures and means to reduce vibration and exclude the possibility of accidental destruction and depressurization of pipelines that are subjected to vibration during operation;

e) provide devices that disconnect the branches of pipelines in cases where these pipelines contain working media of group 1;

f) minimize the risk of accidental release of the working environment. The places of selection of the working environment should be clearly marked with the name of the working environment;

g) develop technical documentation for underground pipelines containing information necessary for their safe maintenance, control and repair (steel grades, diameter, thickness of pipes, length of the pipeline, location of supports, compensators, suspensions, fittings, air ducts and drainage devices, welded joints indicating the distances between them and from them to wells and subscriber inputs, the location of pointers for monitoring the condition of the pipeline and the parameters of the working environment).

100. The design of the pressure chamber must provide the possibility of inspection (including the inner surface), cleaning, washing, purging and repair of the pressure chamber.

101. When developing (designing) pressure chambers, the loads arising during installation and under the influence of inertial forces are taken into account.

102. The duration of the stay of people in the pressure chamber is determined by the project and indicated in the passport. In the case of a long stay of people in the pressure chamber, compartments with different functional purposes are provided.

103. The design of the equipment must provide for high-pressure hermetic leads or seals for electric cables that provide mechanical strength, axial and radial tightness, gas density of the hermetic drive as a whole and its conductive elements, as well as electrical insulation strength over the entire pressure range in the pressure chamber.

104. The design of the pressure chamber must provide the possibility of opening the pressure chamber from inside and outside. It is not allowed to use locks to close doors or covers inside the pressure chamber.

105. For visual or television observation of the situation inside the pressure chamber and for lighting the internal space, the equipment project provides for portholes equipped with an external cover that protects the window glass from mechanical damage.

When developing (designing), manufacturing (manufacturing) of pressure chamber portholes, light-transmitting materials with a safety margin of at least the safety margin of the pressure chamber body and a light transmission coefficient of at least 85 percent are used.

106. The equipment project provides for air supply and gas supply systems for the following purposes:

a) formation of the gas medium in the pressure chamber;

b) ensuring the operation of the stationary respiratory system;

c) maintaining and changing the pressure in the pressure chamber;

d) maintaining and changing the composition of the gas medium in the pressure chamber for oxygen and indifferent gases;

e) sluicing.

107. Air supply and gas supply systems provide an increase in pressure in the pressure chamber at a rate of not less than 0.2 MPa/min for a pressure from 0.1 to 1.7 MPa inclusive (1-17 kgf/cm), not less than 0.1 MPa/min (1 kgf / cm · min) - for a pressure of more than 1.7 MPa (17 kgf/cm) and pressure maintenance with an accuracy of 0.025 MPa (0.25 kgf/cm). Pressure reduction in the pressure chamber is carried out at a rate of 0.003-0.9 MPa/h (0.03-9 kgf/cm * h);

108. The means of gas control of the pressure chamber must ensure the accuracy of measurements of the content of oxygen, helium and carbon dioxide, as well as possible harmful substances.

109. The fire protection system and means must ensure the detection of the beginning of a fire in the pressure chamber or the prerequisites for ignition (smoke, uncontrolled temperature rise), the alarm signal, as well as the extinguishing of the detected fire by all means available in the pressure chamber.

110. Automatic control means must ensure safe conditions for people to stay inside the pressure chamber.

111. Each compartment and airlock of the pressure chamber is equipped with a pressure gauge, which is installed externally on a fitting welded to the pressure chamber body, or on the control panel of the pressure chamber systems.

112. The power networks of the pressure chamber must have backup sources of electricity that ensure the uninterrupted operation of the elements of the air supply and gas supply systems, fire protection systems and means.

113. All switching-protective and start-regulating equipment of power electrical equipment is installed outside the pressure chambers. The power cables in the pressure chamber must have non-flammable insulation. The design of the pressure chamber should provide for the presence of a system of protection against static electricity, the possibility of grounding internal removable metal products, equipment and the body of the pressure chamber.

114. The design of the equipment determines the need to install lighting. The lamps installed inside the pressure chamber must be sealed, designed for the working pressure of the medium.

115. The design of the equipment provides for the possibility of using means of communication with people inside the pressure chamber.

116. Pipelines, steam and water heaters installed inside the pressure chamber, as well as pipelines for the supply of compressed air and gas mixtures installed outside the pressure chamber, are designed from seamless copper pipes or stainless steel pipes.

117. For the internal equipment of the pressure chamber, non-flammable (fire-resistant) materials are used, guaranteed against the release of harmful substances in the gas environment of the pressure chamber.

The outer surface of tankers for the transportation of liquefied petroleum gases is painted in a light gray color. A distinctive red stripe with a width of at least 200 mm with a black inscription above it "Propane - flammable"is applied to both sides of the vessel. The black inscription "flammable"is applied to the rear bottom of the vessel.

Electronic text of the document

prepared by JSC "Codex" and verified by:

Official website

Of the Eurasian Economic Commission

http://www.eurasiancommission.org,

09.07.2013