Detailed Product Description

Forged Steel Check Valve

Pressure: 800LB~2500LB,150LB~1500LB, PN10~PN160

Size: 1/4"~2", DN8~DN50

Check valve in three bonnet designs:

1.           Bolted Bonnet, with male-female joint, spiral wound gasket, made in F304/graphite. Ring joint gasket is also available on request.

2.           Welded Bonnet, with a threaded and seal welded joint. On request a full penetration welded joint is available.

3.           Pressure Seal Bonnet, with a threaded and pressure seal bonnet joint.

4.           The check valves are also available in three different design configurations: Piston check, ball check or swing check designs.

Design Construction and Specifications:

·             Design and Manufacture:API602

·             Inspection and Test: API 598, and marked as per MSS SP-25

·             Socket Weld Ends : ASME B16.11

·             Screwed Ends (NPT) : ANSI/ASME B1.20.1

·             Flanged Ends (RF) : ANSI/ASME B16.5

·             Face to Face MFG standard for SW/NPT, ANSI B16.10 RF