Size Range: 1/2" up to 4"
Pressure Class Range: 200PSI,PN16
End Connection: BSP,BSPT,NPT
Material: Stainless Steel
Seals: Metal to Metal
Valves Design: ASME B16.34
Face to Face: Manufacture Standard
End Connection: /
Suitable Medium: Water,Oil,Air And Some Corrosive liquid
A check valve, clack valve, non-return valve, reflux valve, retention valve or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction.