GOST 12820-80

ГОСТ 12820-80

Steel plane welded flanges for Pnom from 0,1 to 2,5 MPa (from 1 to 25 kgf/cm2). Design and dimensions

Фланцы стальные плоские приварные на Ру от 0,1 до 2,5 МПа (от 1 до 25 кгс/см2) Конструкция и размеры

Status: Not effective - Canceled in the Russian Federation. Registration information 99-st dated 03/01/2016 (official website of Rosstandart); IUS 6-2016

The standard applies to steel flat welded flanges of pipelines and connecting parts, as well as to connecting flanges of fittings, connecting parts of machines, instruments, nozzles of apparatus and tanks for the nominal pressure Ru from 0.1 to 2.5 MPa (from 1 to 25 kgf

Стандарт распространяется на стальные плоские приварные фланцы трубопроводов и соединительных частей, а также на присоединительные фланцы арматуры, соединительных частей машин, приборов, патрубков аппаратов и резервуаров на условное давление Ру от 0,1 до 2,5 МПа (от 1 до 25 кгс/см¤) и температуру среды от 203 до 573 К (от минус 70 до плюс 300 °С).

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Format: Electronic (pdf/doc)
Page Count: 16

Approved: USSR State Committee for Standards, 5/20/1980

SKU: RUSS18055

Price: $52.47

English keywords: connections; couplings; flanges;



The 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. »

Welding regulations » Main materials »

Welding regulations » Pipelines »

Welding regulations » Metal structures »

Welding regulations » Defects »

Welding regulations » Main materials » Steel, cast iron »

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 1255-67: Flanges with connecting protrusion of steel, flat welded for Pd from 1 to 25 kgf / cm square. Design, dimensions and technical requirements

GOST 12827-67: Flanges without protrusion steel flat welded for Pd from 1 to 25 kgf / cm square. Design, dimensions, technical requirements

GOST 12828-67: Flanges with protrusion or groove, steel flat welded for Pd from 1 to 25 kgf / cm square

GOST 9938-62: Flat flush welded square flanges

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 7505-89: Steel stamping forgings. Tolerances, allowances and forging laps

The Document is Referenced By:

ATK 24.218.06-90: Couplings for Welded Steel Vessels and Apparatus. Types, Basic Parameters, Dimensions, and General Technical Requirements

ATK 26-01-1-89: Pipeline viewing lights. Types and designs

ATK 26-18-10-94: Devices for Installation of Temperature Measuring Devices for Use at Nominal Pressure from 0.6 to 16.0 MPa. Plugs. General Technical Requirements

GOST 10738-76: The wedge gate valves with sliding spindle steel on Pd approximately 2.5 MPa (25 kgf / cm2). Specification

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

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

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

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

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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 51383-2012: Automatic burner gas forced air. Technical safety requirements and test methods

GOST R 52910-2008: Vertical cylindrical steel tanks for oil and oil-products. General specifications

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

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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 54788-2011: Gas-fired absorption and adsorption air-conditioning and/or heat pump appliances with a net heat input not exceeding 70 kW. Part 1. Safety

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

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

GOST R 55474-2013: Gas distribution systems. Requirements for gas distribution networks. Part 2. Steel gas pipelines

IM 14-12-2004: Automation. Instruments for measuring and regulating pressure and vacuum. Nomenclature directory

IM 14-4-2004: Automation. Instruments for measuring and controlling flow and quantity. Directory

IM 14-7-2004: Automation. Instruments for measuring and regulating temperature. Part 2. Thermometers, alarms, indicators, frames, temperature relays, devices are different. Nomenclature directory

MDS 40-2.2000: Design Manual for Self-Contained Utility Systems (Water Supply, Sewerage, Piped Heat Supply and Ventilation, Gas Supply, and Electricity Supply Systems) for Single-Dwelling and Multiple-Dwelling Residential Occupancies

MI 2638-2001: State system for ensuring uniformity of measurements. Chamber and tubeless diaphragms installed in flanged connections of measuring pipelines. Dimensional control methods for the primary and periodic calibration of measuring systems with restricting devices

OST 108.030.124-85: Details and prefabricated units made of pearlitic steels for pipelines with environment pressure P>2.2 MPa (22 kg/cm2) in nuclear power plants. General Specifications.

OST 24.125.60-89: Details and prefabricated units of steam and hot water in thermal power plants. General Specifications.

OST 24.200.02-91: Assembling units of steel pipelines on nominal pressure<=10 MPa (100 kgf/cm2) of complete technological lines. General specifications.

OST 26.260.18-2004: Process modules for oil and gas industry. General technical specifications

OST 26.260.462-99: Devices for installation of instruments measuring the temperature for PN from 0.6 to 16 MPa. Types, design, dimensions and general technical requirements

OST 26-01-1156-75: Input-outputs of pipes with plane welded flanges of steel welded containers and devices. Design and dimensions.

OST 26-02-2053-79: Adapter and hatches made of double-layer steel. Technical requirements .

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

OST 34-10-425-90: Details and prefabricated units of pipelines of nuclear plants, working P<2.2 MPa, t ≤ 300 °C. Flat welded flanges. Construction and dimensions.

OST 34-10-426-90: Details and prefabricated units of pipelines of nuclear plants, working P<2.2 MPa, t ≤ 300 °C. Flat welded flanges to webbings. Construction and dimensions.

OST 34-10-756-97: Parts and assembly units of pipelines of TPPs at Rrab <2.2 MPa (22 kgf

OST 34-42-668-84: Details and prefabricated units of NPP pipelines, working P<2.2 MPa (22 kg/cm2), t <= 350 °C. Flat welded flanges with a nipple. Construction and dimensions.

OST 34-42-836-86: Flat Flanges for pipes of TPP and NPP. Design and dimensions.

OST 36-123-85: Technologic steel pipelines for Ру up to 10 МPa. General technical requirements.

PB 03-108-96: Process pipeline design and safe operation rules

PB 03-381-00: Regulations of installation of vertical cylindrical steel reservoirs (steel scroll tanks) for petroleum and petroleum products

PB 03-384-00: Rules for design, manufacture and acceptance of steel welded vessels and apparatus

RD 153-34.1-003-01: Welding, heat treatment and control of copper pipe systems and pipelines at power equipment installation and repair.

RD 153-34.1-11.354-2001: Recommended Practice for Design and Use of Special Orifice Devices for Measurement of Fuel Oil Consumption at Thermal Power Stations

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 34.35.416-97: Procedural Guidelines for Adjustment and Maintenance of Hydraulic Regulators in Piped Heat Supply Systems

RD 3689-002-00220302/31-2008: Welding of radiant tubes and their elements for reaction tube furnaces. Main provisions

RD 38.13.004-86: Operation and repairs of process pipelines operating under pressure up to 10.0 MPa (100 kgf/cm2)

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

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RD EO 0198-2000: Maintenance and repair of NP systems and equipment. Assembly of flange connections. General technical requirements

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RTM 26-04-160-82: Flanges with a lug steel flat welded on Ru 0.25; 0.6; 1.0; 1.6 MPa (2.5; 6; 10; 16 kgf/cm2). Design and dimensions (restriction GOST 12820)

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SP 66.13330.2011: Designing, building of pressure head networks of water supply and water removal with application of high-strength pipes from pigiron with spherical graphite

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TU 3644-006-00220302-99: Shell-and-tube heat exchangers for special purposes. Refrigeration evaporators and condensers

VSN 10-83/Minhimprom: Instruction on designing of oxygen gas pipelines

VSN 279-85: Guidelines for Sealing Joints in Ventilating and Plumbing Systems

VSN 35-86: Guidelines for Installation of Plastic Piping at USSR Gosagroprom Facilities

VSN 362-87: Disinfections and Etching of Pipelines

VSN 64-064-88: Instructions for the construction design of the medical and microbiological industry

Manual for SNiP 3.05.04-85: Allowance for laying and installation of cast-iron, reinforced concrete and asbestos-cement water supply and sewage pipelines

RD 204 USSR 157-84: Recommendations for the design and operation of silicate water treatment plants for corrosion protection of the internal surfaces of hot water pipelines

RTM 24-85: Information index of state, republican and industry standards, technical specifications for materials and products used in the design of furnaces and dryers

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

STO-SA-03-002-2009: Rules for the design, manufacture and installation of vertical cylindrical steel tanks for oil and oil products

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