GOST 9399-81

ГОСТ 9399-81

Threaded steel flanges for Pn 20-100 MPa (200-1000 kgf/sq sm). Specifications.

Фланцы стальные резьбовые на Ру 20-100 МПа (200-1000 кгс/кв.см). Технические условия

Status: Effective - Supersedes. The limitation of effectiveness has been lifted: Resolution of the State Standard No. 176 of 01.26.91

The standard applies to steel threaded flanges used in the chemical and petrochemical industry for valves, pipe fittings with lens sealing

Стандарт распространяется на стальные резьбовые фланцы, применяемые в химической и нефтехимической промышленности для арматуры, соединительных частей трубопроводов с линзовым уплотнением

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Format: Electronic (pdf/doc)
Page Count: 11

Approved: USSR State Committee for Standards, 12/20/1988

SKU: RUSS21213

Price: $67.32



The Product is Contained in the Following Classifiers:

Evidence base (TR CU, Technical Regulation of the Customs Union) » 032/2013 TR CU. On safety of overpressure equipment » Regulations and standards (to 032/2013 TR CU) »

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 »


As a Replacement Of:

GOST 9399-75: Flanges of steel with thread on Pp 19.62 - 98.1 MPa (200-1000 kgf / cm2)

The Document References:

GOST 1050-88: Carbon structural quality steel gauged bars with special surface finish. General specifications

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 1497-84: Metals. Methods of tension test

GOST 16093-2004: Basic norms of interchangeability. Metric screw thread. Tolerances. Clearance fits

GOST 16093-81: Basic norms of interchangebility. Metric screw thread. Tolerances. Clearance fits

GOST 20072-74: Heat-resistant steel

GOST 24643-81: Basic norms of interchangeability. Tolerances of form and position of surfaces. Numerical values

GOST 24705-2004: Вasic norms of interchangeability. Metric screw thread. Basic dimensions

GOST 24705-81: Basic norms of interchangeability. Metric screw thread. Basic dimensions

GOST 28338-89: Nominal bores (nominal sizes)

GOST 356-80: Valves and details for piping. Pressures conditional, test and operational. Lines.

GOST 4543-71: Structural alloyed steel

GOST 7564-97: Rolled products general rules of samples, rough specimens and test pieces selection for mechanical and technological testing

GOST 8479-70: Structural carbon and alloy steel forgings

GOST 9012-59: Metals. Method of Brinell hardness measurement

GOST 9454-78: Metals. Method for testing the impact strength at the low, room and high temperature

The Document is Referenced By:

GOST 12247-80: Large seamless steel gas cylinders for operating pressure of 31,4 and 39,2 MPa (320 and 400 kgf/cm sq.). Specifications

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

GOST 13547-2015: Pipeline valves. Butterfly wicket valves. General specifications

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

GOST 16587-71: Safety valves, control valves and pressure regulators. Face-to-face lengths

GOST 21345-2005: Ball, lifting-plug and cylindrical cocks for nominal pressure at most PN 250. General specifications

GOST 22794-83: Assembly units and pipeline parts. Flanged elbow bends for Pnom 9,81-98,1 MPa (100-1000 kgf/sm sq). Construction and dimensions

GOST 22795-83: Assembly units and pipeline parts. Abutment and flanged elbow bends for Pnom 9,81-98,1 MPa (100-1000 kgf/sm sq). Construction and dimensions

GOST 22800-83: Assembly units and pipeline parts. Armed and flanged angles for Pnom 9,81-98,1 MPa (100-1000 kgf/sm sq). Construction and dimensions

GOST 22802-83: Assembly units and pipeline parts. Flanged and armed open T-branches for Pnom 9,81-98,1 MPa (100-1000 kgf/sm sq). Construction and dimensions

GOST 22803-83: Assembly units and pipeline parts. Flanged asymmetric reducing T-branches for Pnom 9,81-98,1 MPa (100-1000 kgf/sm sq). Construction and dimensions

GOST 22805-83: Assembly units and pipeline parts. Flanged inserting T-branches for Pnom 9,81-98,1 MPa (100-1000 kgf/sm sq). Construction and dimensions

GOST 22806-83: Assembly units and pipeline parts. Flanged fillets for Pnom 9,81-98,1 MPa (100-1000 kgf/sm sq). Construction and dimensions

GOST 22807-83: Assembly units and pipeline parts. Flanged lens metering diaphragms for Pnom 9,81-63 MPa (100-630 kgf/sm sq). Construction and dimensions

GOST 22808-83: Assembly units and pipelines parts. Flanged lens arms for Pnom 9,81-63 MPa (100-630 kgf/sm sq). Construction and dimensions

GOST 22809-83: Assembly units and pipeline parts. Flanged lenses with two arms for Pnom 9,81-40 MPa (100-400 kgf/sm sq). Construction and dimensions

GOST 22810-83: Assembly units and pipeline parts. Pocket angles for resistance thermometers and thermocouple thermometers for Pnom 9,81-98,1 MPa (100-1000 kgf/sm sq). Construction and dimensions

GOST 22811-83: Assembly units and pipeline parts. Arms for resistance thermometers and thermocouple thermometers for Pnom 9,81-98,1 MPa (100-1000 kgf/sm sq). Construction and dimensions

GOST 22817-83: Assembly units and pipeline parts. Flanged bent arms for Pnom 9,81-98,1 MPa (100-1000 kgf/sm sq). Construction and dimensions

GOST 25164-82: Connections of SSI instruments and devices with external hydraulic and gas lines. Types, basic parameters and dimensions. Technical requirements

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

GOST 32569-2013: Steel pipe technology. Requirements for design and operation of explosive and chemically dangerous production

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

GOST 33423-2015: Pipeline valves. Swing and lift check valves. General specifications

GOST 34294-2017: Cryogenic pipeline valves. General specifications

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 9731-79: Large capacity seamless steel gas-cylinders for operation pressure 4.5 MPa (250 kgf / cm2)

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 54432-2011: Flanges for valves, fittings, and pipelines for pressure from PN 1 to PN 200. Design, dimensions and general technical requirements

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

GOST R 54803-2011: High-pressure welded steel vessels. General technical requirements

GOST R 55429-2013: Hoop-in detachable joints of pipelines. Design, dimensions and general specifications

GOST R 55430-2013: Detachable pipe joints. Evaluation of technical condition and methods of testing. Operation safety

GOST R 56001-2014: Pipeline valves for objects of gas industry. General specifications

GOST R EN 1434-2-2006: Heat meters. Part 2. Constructional requirements

IM 4-12-95: Automation systems. Handbook of materials. Part 1. Basic materials

OIT-0013-2000: Nomenclature of equipment, products and technologies for nuclear installations, radiation sources and storage facilities, subject to mandatory certification in the System of certification of equipment, products and technologies for nuclear installations,

OST 24.201.03-90: Steel high-pressure vessels and devices. General technical requirements.

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

OST 26-01-35-82: Assembling units and pipeline details. The fittings for working pressure of 32 MPa (320 kgf/cm2). Design and dimensions.

OST 26-01-49-82: Assembling units and pipeline details for working pressure of 32 MPa (320 kgf/cm2). General specifications.

OST 26-02-376-78: Technological units of gas and oil industry. General technical requirements.

OST 26-18-5-88: Technological units of gas and oil industry. 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 26-01-28-86: Pipelines and high-pressure apparatus for ammonia and methanol production. Steel grades. Terms of use

SA 03-005-07: Industrial pipelines of oil-refining, petrochemical and chemical industry. Requirements to configuration and operation

ST TsKBA 006-2003: Pipe fittings. Cryogenic fittings. General technical conditions

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

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