Product design and scope
Design standard: GOST 5762-02
Length of structure: GOST 3706-93
Flange connecting end: GOST 33259-2015
Butt welding connecting end: GOST 33259-2015
Wall thickness: GOST 5762-02
Inspection and test: GOST 33257-15
Pressure and temperature rating: GOST 356
Product scope: DN50~DN1200, PN16~PN250
Main body material: 20L、25L、20GL、20GML、20Cr5Mo、15CrMo、20CrMo、12Cr18Ni9Ti、12Cr18Ni10Ti、12Cr18Ni12Mo3Ti etc.
Drive device: handwheel, gearbox, electric, pneumatic, etc.

GOST gate valve, non-rising gate valve, ISO gate valve