dual plate check valve ductile iron body, which can be used in water supply, oil, gas and drainage project.
dual plate check valve ductile iron body technical specification:
Nominal Size: 2″ to 30″
Nominal Pressure: PN10-16/Class 150
Design Standard: API594/BS5153
FTF Dimension: API594/EN558/DIN3202
Flange Connection: ASME B16.5 CL150/EN1092 PN10-16
Inspection and Test: API598/ EN12266
Sealing Test Pressure: 17.6 bar
dual plate check valve ductile iron body Material List
1. Body: Stainless Steel ASTM A351 CF8/CF8M
Cast Iron GG25
Ductile Iron GGG40/GGG50
Bronze C95400
WCB ASTM A216 WCB
2.Disc: Stainless Steel ASTM A351 CF8/CF8M
Cast Iron GG25
Ductile Iron GGG40/GGG50
Bronze C95400
WCB ASTM A216 WCB
3.Shaft: Stainless Steel ASTM A276 304/316
Stainless Steel 2Cr13
Bronze C95400
Carbon Steel chrome plated
4.Spring: Stainless Steel 304/316/304L/420
5.Washer: PTFE/STEEL
6.Seat: EPDM/NBR/VITON
7.Gasket: PTFE/STEEL
