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GOST 12818-80

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The standard applies to the flanges of cast fittings, connecting parts, machines, instruments, devices and tanks of ductile iron for the nominal pressure of Ru from 1.6 to 4.0 MPa (from 16 to 40 kgf

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Cast malleable iron flanges for Pnom from 1,6 to 4,0 MPa (from 16 to 40 kgf/cm2). Design and dimensionsThe Product is Contained in the Following Classifiers:

Construction (Max) » Standards » Other state standards used in construction » 23 Hydraulic and pneumatic systems and components for general use. »

Standards for pipe fittings (TPA) » 13. Standards for basic components and parts of injection molding machines » 13.1 Flanges »

Standards for pipe fittings (TPA) » 6. Standards of connecting sizes of piping valves (TPA) » 6.1 Flange connection »

ISO classifier » 23 HYDRAULIC AND PNEUMATIC SYSTEMS AND GENERAL PURPOSE COMPONENTS » 23.040 Pipelines and their components » 23.040.60 Flanges, couplings and connections »

National standards » 23 HYDRAULIC AND PNEUMATIC SYSTEMS AND GENERAL PURPOSE COMPONENTS » 23.040 Pipelines and their components » 23.040.60 Flanges, couplings and connections »

National Standards for KGS (State Standards Classification) » Latest edition » G Machines, equipment and tools » G1 General parts and units of machines » G18 Fittings and pipeline connections »


The Document is Replaced With:

GOST 33259-2015: Flanges for valves, fittings and pipelines for pressure to PN 250. Design, dimensions and general technical requirements

As a Replacement Of:

GOST 12817-67: Flanges with connecting protrusion cast from malleable cast iron. Design, dimensions and technical requirements

GOST 12818-67: Flanges with a ledge or hollow cast from malleable cast iron. Design, dimensions and technical requirements

GOST 12819-67: Flanges with a spike or groove cast of malleable cast iron. Design, dimensions and technical requirements

The Document References:

GOST 12815-80: Flanges for valves, fittings and pipelines for Pnom from 0,1 to 20 MPa (from 1 to 200 kgf/sq sm). Types. Connecting dimensions and dimensions of sealing surfaces

GOST 12816-80: Flanges for valves, fittings and pipelines for Pnom from 0,1 to 20 MPa (from 1 to 200 kgf/sq sm). General technical requirements

GOST 26645-85: Metal and alloy castings. Dimensions and mass tolerances and machining allowances.

The Document is Referenced By:

GOST 11471-72: Gate valves flanged from malleable cast iron with a cap on the thread for ammonia for Pd approximately 2.5 MPa (25 kgf / cm2). Technical conditions

GOST 12815-80: Flanges for valves, fittings and pipelines for Pnom from 0,1 to 20 MPa (from 1 to 200 kgf/sq sm). Types. Connecting dimensions and dimensions of sealing surfaces

GOST 12816-80: Flanges for valves, fittings and pipelines for Pnom from 0,1 to 20 MPa (from 1 to 200 kgf/sq sm). General technical requirements

GOST 12893-2005: Single-seated, double-seated and cage control valves. General specifications

GOST 15763-2005: Threaded and flange pipe connections for PN to 63 MPa (to 630 kgf/sq sm). General specifications

GOST 18162-72: Shut-off valves made of malleable iron for Pd approximately 1.6 MPa (16 kgf / cm2). Specification

GOST 18163-72: Flanged stop valves from malleable iron for Pd approximately 2.5 and 4 MPa (25 and 40 kgf / cm2). Specification

GOST 31294-2005: Direct-acting safety valves. General specifications

GOST 32388-2013: Process piping. Standard for the stress, vibration and seismic analysis

GOST 33259-2015: Flanges for valves, fittings and pipelines for pressure to PN 250. Design, dimensions and general technical requirements

GOST 34011-2016: Gas distribution systems. Block gas delivery stations. Cabinet gas delivery stations. General technical requirements

GOST 5761-2005: Valves for nominal pressure at most PN 250. General specifications

GOST 5762-2002: Pipeline industrial valves. Gate valves PN<=250. General specifications

GOST R 51382-2011: Heating boilers. Part 4. Heating boilers with forced draught burners. Special requirements for boilers with forced draught oil burners with output up to 70 kW and maximum operating pressure of 0,3 MPa. Terminology, special requirements, test methods and marking

GOST R 53671-2009: Pipeline valves. Swing and lift check valves. General specifications

GOST R 53673-2009: Pipeline valves. Butterfly wicket valves. General specifications

GOST R 53790-2010: Non-traditional technologies. Energetics of biowastes. General technical requirements for biogas sets

GOST R 54440-2011: Heating boilers. Part 1. Heating boilers with forced draught burners. Terminology, general requirements, test and marking

GOST R 54446-2011: Non domestic gas-fired overhead luminous radiant heaters. Part 1. Safety requirements

GOST R 54448-2011: Single burner gas-fired overhead radiant tube heaters for non-domestic use. Part 1. Safety requirements

GOST R 54960-2012: Gas distribution systems. Block gas delivery stations. Cabinet gas delivery stations. General technical requirements

GOST R 55472-2013: Gas distribution systems. Requirements for gas distribution networks. Part 0. General

OST 26-291-94: Steel welded vessels and devices. General technical requirements.

RD 26.260.010-2002: The leading document on standardization. The list of standard documentation on standardization on the cells and devices working under pressure.

RD 26.260.010-97: List of Regulatory Documents on Standardization for Pressure Vessels and Apparatus

RD 39-0148306-413-88: Method for calculating fugitive emissions from gas processing plants

SA-03-003-07: Stressing and vibration calculation of steel industrial pipelines.