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• RUSSIAN STANDARD FLANGE [ DETAIL] |
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| • We supply Russian flanges as following standards, pressures, sizse and types, if the needing flanges are not in tables, please contact us specially, welcome to make inquiry us. |
| • Flange in GOST 12820/12821-80, ГОСТ 12820/12821-80 Standard. [Contact us] |
GOST 12820-80, ГОСТ 12820-80 FLAT FLANGES |
TYPE |
PN0.6Mpa |
PN1.0Mpa |
PN1.6Mpa |
PN2.5Mpa |
PN4.0Mpa |
PN6.3Mpa |
PN10.0Mpa |
Plate/Flat |
DN15-DN2000 |
DN15-DN2000 |
DN15-DN2000 |
DN15-DN2000 |
DN15-DN1800 |
DN15-DN1500 |
DN15-DN1500 |
Blind |
DN15-DN2000 |
DN15-DN2000 |
DN15-DN2000 |
DN15-DN2000 |
DN15-DN2000 |
DN15-DN1800 |
DN15-DN1800 |
aФланцы стальные плоские приварные с соединительным выступом по ГОСТ 12820-80 |
| GOST 12821-80, ГОСТ 12821-80 WELD NECK FLANGES |
Weld Neck |
DN15-DN1000 |
DN15-DN1000 |
DN15-DN1000 |
DN15-DN1000 |
DN15-DN800 |
DN15-DN600 |
DN15-DN500 |
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 RUST PREVENTION OF FLANGES
Methods |
Surface States |
Rust-preventative oil |
Colourless oil with liquid state on the surface
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Rust-preventative Paint |
Yellow Coating |
Black Coating |
Varnish Coating |
Galvanized |
Electro Galvanized |
Hot Dip Galvanized |
RAW MATERIAL
Material |
Codes |
CARBON STEEL |
Ст3(20), RST37.2, C22.8, S235JRG2, P250GH, P245GH, P265GH, A105, A350, A36, Q235.
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STAINLESS STEEL |
A182, F321, F304, F304L, F316, F316L, SUS304, SUS304L, SUS316, SUS316L |
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