GOST 12820-80
ГОСТ 12820-80
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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)
Approved: USSR State Committee for Standards,
5/20/1980
SKU: RUSS18055
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:
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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
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IM 14-12-2004: Automation. Instruments for measuring and regulating pressure and vacuum. Nomenclature directory
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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.
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