Features
1.Size: 2″-48″
2.Pressure: 150LB-250LB
3.Connection: Flanges,RTJ Flange,Butt Weld,Groove
4.Bolted Bonnet Cap
5.Pressure Seal Bonnet
6.Swing Type, Anti-rotation Disc
7.Renewable Seat Rings
8.Non-penetrate Disc Shaft
9.Horizontal Servece

Material:
Carbon Steel, Forged Steel, Stainless Steel
WCB,LCB,LCC,LC1,CF8,CF8M,CF3,CF3M,WC6,WC9, C5,C12,C12A
Specifical Material:
Duplex Steel, Super Duplex Steel, Inconel
GR4A, GR6A, CY-40, Inconel 600

Standards
1.Steel check valves: API 6D / BS 1868
2.Steel check valves: ISO 14313
3.Steel valves: ASME B16.34
4.Face to face: ASME B16.10
5.Flanges end:ASME B16.5
6.Butt weld ends: ASME B16.25
7.Inspection and test: API 598 / API 6D