GOST Standard Flange – Russian & CIS Market
GOST flanges are required for projects in Russia, Kazakhstan, Belarus, and other CIS countries. SongHai manufactures GOST-certified flanges for Eurasian market.
GOST Standards
- GOST 12820-80: Weld neck flanges
- GOST 12821-80: Threaded flanges
- GOST 12822-80: Blind flanges
- Pressure: PN1.0, PN1.6, PN2.5, PN4.0, PN6.3, PN10.0, PN16.0, PN20.0
Materials
- Stainless: 08Х18Н10 (304), 03Х17Н14М3 (316L)
- Carbon: St20, 09Г2С
- Alloy: 12Х18Н10Т (321)
CIS Market Applications
- Oil & gas pipelines (Gazprom, Transneft)
- Petrochemical plants
- District heating systems
- Water infrastructure
GOST certification available: 1007788887@qq.com
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Email: 1007788887@qq.com
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