FVF API 602 Flanged Type Forged Swing Check Valve Class 600

FVF forged check valve is an automatic valve. Its main function is to prevent the backflow of the medium, prevent the reversing of the pump and drive motor, and the discharge of the container medium.The check valve can also be used to supply pipelines where the pressure may exceed the system pressure.
The check valves are opened and closely automatically by the flow of the medium itself, and prevent the reverse flow of the medium.
FVF check valve is available in three different design configurations. These are piston check, ball check, or swing check designs.
FVF Forged steel check valve is also available in three bonnet designs. The first design is the Bolted Bonnet.The second design is the welded bonnet, with a threaded and seal welded joint. The third design is the pressure seal bonnet, with a threaded and pressure seal bonnet joint.

Product Parameter

Application standards

1. Design and manufacture conform to: BS 5352
2. Connection ends conform to:
Socket welded ends conform to ANSI B16.11, JB/T1751
Screw ends conform to ANSI B1.20.1, JB/T7306
Butt-welded ends conform to ANSI B16.25, JB/T12224
Flange ends conform to ANSI B16.5, JB79
3. Test and inspection conform to: APl598; GB/T13927; JB/T9092
4.Structure features: Bolted bonnet
5. Materials conform to ANSI/ASTM
6. Main materials:
A105; LF2; F5; F11; F22; F304(L); F316(L);
F347; F321; F51 ; Monel; Alloy 20# etc.