Check valve

Applicable standards

Design and manufacture: BS 1868
Test & inspection: API 598
End dimension: ASME B16.5, & ASME B16.25
Face to face dimension: ASME B16.10

Design features
Full bore design
Outside screw and yoke (OS&Y)
Bolted bonnet (BB)
Flexible wedge, solid or split wedge
Renewable seat ring
Forged T-head stem
Rising stem and non-rising stem
Flanged or welding ends
Available with gearbox operator
Size range from 2” to 24”

Main materials
WCB, LCB, CF8, CF8M, CF3, CF3M, etc.