This standard applies to flanges of pipelines and connecting parts, as well as connecting flanges of fittings, machines
GOST 12816-1980 Referenced Document
GOST 10198-1991 Wooden boxes for weights of mass over 200 up to 20000 kg. General specifications*， 1991-04-19 Update
GOST 1050-1988 Carbon structural quality steel gauged bars with special surface finish. General specifications*， 1988-04-19 Update
GOST 1215-1979 Malleable iron castings. General specifications
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 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 1412-1985 Flake graphite iron for casting. Grades*， 1985-04-19 Update
GOST 1536-1976 Flanges for ship's pipeline systems. Coupling dimensions and sealing surfaces
GOST 26.008-1985 Lettering for inscriptions applied by engraving method. Executive dimensions*， 1985-04-19 Update
GOST 2991-1985 Wooden uncollapsible cases for weights up to 500 kg. General specifications*， 1985-04-19 Update
GOST 4433-1976 Flanges of valves connecting pieces and pipelines for shipping systems. Types
GOST 535-1988 Common quality carbon bar and shaped sections. General specifications*， 1988-04-19 Update
GOST 5632-1972 High-alloy steels and corrosion-proof, heat-resisting and heat treated alloys. Grades*， 2024-04-19 Update
GOST 7769-1982 Alloy cast iron for castings of special properties. Grades*， 2024-04-19 Update
GOST 9.908-1985 Unified system of corrosion and ageing protection. Metals and alloys. Methods for determination of corrosion and corrosion resistance indices*， 1985-04-19 Update
GOST 977-1988 Steel castings. General specifications*， 1988-04-19 Update
GOST 12816-1980 history
2015GOST 33259-2015 Flanges for valves, fittings and pipelines for pressure to PN 250. Design, dimensions and general technical requirements
1980GOST 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
0000 GOST 6972-1967
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 was changed to GOST 33259-2015 Flanges for valves, fittings and pipelines for pressure to PN 250. Design, dimensions and general technical requirements.