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

Standard No.

GOST 33259-2015

Release Date

2015

Published By

RU-GOST R

Latest

GOST 33259-2015

Replace

GOST 12815-1980 GOST 12816-1980 GOST 12817-1980 GOST 12818-1980 GOST 12819-1980 GOST 12820-1980 GOST 12821-1980 GOST 12822-1980

GOST 33259-2015 Referenced Document

• GOST 1050-1988 Carbon structural quality steel gauged bars with special surface finish. General specifications
• GOST 12.1.007-1976 Occupational safety standards system. Noxious substances. Classification and general safety requirements
• GOST 12.1.044-1989 Occupational safety standards system. Fire and explosion hazard of substances and materials. Nomenclature of indices and methods of their determination
• GOST 1215-1979 Malleable iron castings. General specifications
• GOST 1412-1985 Flake graphite iron for casting. Grades
• GOST 14140-1981 Basic norms of interchangeability. Position tolerances of bore axes for fasteners
• GOST 14192-1996 Marking of cargoes
• GOST 1536-1976 Flanges for ship's pipeline systems. Coupling dimensions and sealing surfaces
• GOST 1577-1993 Rolled sheets and wide strips of structural quality steel. Specifications
• GOST 2.301-1968 Unified system for design documentation. Formats
• GOST 2590-2006 Round hot-rolled steel bars. Dimensions
• GOST 2591-2006 Square hot-rolled steel bars. Dimensions
• GOST 356-1980 Valves and parts of pipe-lines. Nominal, test and operational pressures. Series
• GOST 4433-1976 Flanges of valves connecting pieces and pipelines for shipping systems. Types
• GOST 4543-1971 Structural alloy steel bars. Specifications
• GOST 5520-1979 Rolled carbon low-alloy and alloy steel sheets and plates for boilers and pressure vessels. Specifications
• GOST 5632-1972 High-alloy steels and corrosion-proof, heat-resisting and heat treated alloys. Grades
• GOST 5773-1990 Book and magazine editions. Sizes
• GOST 6032-2003 Corrosion-resistant steels and alloys. Test methods of intercrystalline corrosion resistance
• GOST 7293-1985 Spheroidal graphite iron for castings. Grades
• GOST 7350-1977 Plate steel, corrosion-resistant, heat-resistant and high-temperature. Specifications
• GOST 7505-1989 Steel stamping forgings. Tolerances, allowances and forging laps
• GOST 8479-1970 Construction carbon and alloy steel forgings. General specification
• GOST 9.014-1978 Unified system of corrosion and ageing protection. Temporary corrosion protection of products. General requirements
• GOST 9.303-1984 Unified system of corrosion and ageing protection. Metallic and non-metallic inorganic coatings. General requirements for selection
• GOST 9399-1981 Threaded steel flanges for Pn 20-100 MPa (200-1000 kgf/sq sm). Specifications
• GOST 9454-1978 Metals. Method for testing the impact strength at low, room and high temperature
• GOST 977-1988 Steel castings. General specifications
• GOST 9833-1973 Rubber toroidal sealing rings for hydraulic and pneumatic equipment. Construction and dimensions
• GOST R 53464-2009 Metal and alloy castings. Dimensions and mass tolerances and machining allowances
• ISO 7005-1:2011 Pipe flanges - Part 1: Steel flanges for industrial and general service piping systems
• ISO 7005-2:1988 Metallic flanges; part 2: cast iron flanges

GOST 33259-2015 history

• 2015 GOST 33259-2015 Flanges for valves, fittings and pipelines for pressure to PN 250. Design, dimensions and general technical requirements
• 1980 GOST 12822-1980 Steel loose flanges with welded ring for Pnom from 0,1 to 2,5 MPa (from 1 to 25 kgf/sq sm). Design and dimensions
• 0000 GOST 12834-1967
• 0000 GOST 9938-1962

GOST 33259-2015 Flanges for valves, fittings and pipelines for pressure to PN 250. Design, dimensions and general technical requirements has been changed from GOST 12815-1980 Flanges for valves, fittings and pipelines for Pnom from 0,1 to 20 MPa (from 1 to 200kgf/sq sm). Types. Connecting dimensions and dimensions of sealing surfaces.

GOST 33259-2015 Flanges for valves, fittings and pipelines for pressure to PN 250. Design, dimensions and general technical requirements has been changed from GOST 12816-1980 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 33259-2015 Flanges for valves, fittings and pipelines for pressure to PN 250. Design, dimensions and general technical requirements has been changed from GOST 12817-1980 Cast grey iron flanges for Pnom from 0,1 to 1,6 MPa (from 1 to 16 kgf/sq sm). Design and dimensions.

GOST 33259-2015 Flanges for valves, fittings and pipelines for pressure to PN 250. Design, dimensions and general technical requirements has been changed from GOST 12818-1980 Cast malleable iron flanges for Pnom from 1,6 to 4,0 MPa (from16 to 40 kgf/sq sm). Design and dimensions.

GOST 33259-2015 Flanges for valves, fittings and pipelines for pressure to PN 250. Design, dimensions and general technical requirements has been changed from GOST 12819-1980 Cast steel flanges for Pnom from 1,6 to 20,0 MPa (from 16 to 200 kgf/sq sm). Design and dimensions.

GOST 33259-2015 Flanges for valves, fittings and pipelines for pressure to PN 250. Design, dimensions and general technical requirements has been changed from GOST 12820-1980 Steel plane welded flanges for Pnom from 0,1 to 2,5 MPa (from 1to 25 kgf/sq sm). Design and dimensions.

GOST 33259-2015 Flanges for valves, fittings and pipelines for pressure to PN 250. Design, dimensions and general technical requirements has been changed from GOST 12821-1980 Steel butt-welded flanges for Pnom from 0,1 to 20,0 MPa (from 1 to 200 kgf/sq sm). Design and dimensions.

GOST 33259-2015 Flanges for valves, fittings and pipelines for pressure to PN 250. Design, dimensions and general technical requirements has been changed from GOST 12822-1980 Steel loose flanges with welded ring for Pnom from 0,1 to 2,5 MPa (from 1 to 25 kgf/sq sm). Design and dimensions.