Russian standard check valves produced by Ruitong Valve Product design and scope.
Design standard: GOST 5762
Length of structure: GOST 3706
Flange connecting end: GOST 33259
Butt welding connecting end: GOST 33259
Wall thickness: GOST 5762-02
Inspection and test: GOST 33257-15
Pressure and temperature rating: GOST 356
Product scope: DN50~DN1000, PN16~PN250
Main body material: 20L､25L､20GL､20GML､20Cr5Mo､15CrMo､20CrMo､12Cr18Ni9Ti､12Cr18Ni10Ti､12Cr18Ni12Mo3Ti etc.
GOST check valve, swing check valve, high pressure check valve
