API 603 Stainless Steel Check Valve

KOS API 603 series stainless steel valve contains Gate, Globe & Check valve. This series of valve wall thickness is designed as per ANSI B16.34, cost effectiv

DIN-EN Lift Check Valve

This kind of valve is one of KOS main products. We offer customer wide range of size, pressure rating and material selection; also we keep a large number of stock

FORGED STEEL CHECK VALVE

KOS forged steel valves contains Gate, Globe & Check valves designed fully comply with API 602 / BS 5352. KOS offer standard bolted bonnet joint with optional

Full Opening Check Valve

KOS full opening check valve can be capable for pig ball cleaning service. For big size, to prevent potential water hammer damage caused by disc closing, a dashpo

Pressure Seal Check Valve

Pressure seal valves are designed for high temperature, high pressure, services mainly encountered in nuclear and fossil fuel power plant. Compare with bolted bon

Swing Check Valve

This line of valves is one of KOS main products. We offer customer wide range of size, pressure rating and material selection; also we keep a large number of stoc