Shanghai Kangquan Valve Co., Ltd.

Forged Steel Check Valve 

Brief introduction:

Forged steel check valves are available in three bonnet designs. The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F304/graphite.Ring joint gasket are also available on request. The second design is the welded bonnet, with a threaded and seal welded joint. On request a full penetration strength welded joint is available .The third design is the pressure seal bonnet, with a threaded and pressure seal bonnet joint. The check valve is also available in three different design configurations. These are piston check, ball check, or swing check designs.

Technical Specification

Globe valves conform to API 602, and ASME B 16.34
each are tested according to API 598, and marking is per MSS SP-25

Full Port or Conventional Port
Outside Screw and Yoke(OS & Y)
Two piece self-aligning packing gland
Bolted bonnet with spiral wound gasket, threaded and seal welded bonnet or threaded and

   pressure seal bonnet

Integral backseat
Socket weld ends to ASME B16.11
Screwed Ends (NPT) to ANSI/ASME B1.20.1

Main external and connection dimension

Piston Check Valve 800Lb

Standard Material Specification

Dimension (mm) and Weight (Kg)

Note: Other materials are available upon request.     CS=Carbon Steel; AS=S=Alloy Steel; SS=Stainless Steel;

Piston Check Valve 900Lb¡«1500Lb

Standard Material Specification

Dimension (mm) and Weight (Kg)

Pressure-seal Piston Check Valve 900Lb¡«2500Lb
Standard Material Specification
 
 
Dimension (mm) and Weight (Kg)
 
 
Swing Check Valve 800Lb,900Lb¡«1500Lb
 
 
Standard Material Specification
 
 
Dimension (mm) and Weight (Kg)
 
 
Pressure-seal Swing Check Valve 900Lb¡«2500Lb
 
 
Standard Material Specification
 
 
Dimension (mm) and Weight (Kg)