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

2-PC Cast Steel Floating Ball Valve

KOS cast steel floating ball valves featuring 2-PC split body side entry, very popular design in floating ball valve. KOS offers 3 main type: Conventional design

2-PC Forged Steel Floating Ball Valve

KOS forged steel floating ball valves featuring 2-pc or 3-pc forged steel split body side entry design. Specially designed for high pressure service so as to repl

3-PC NPT or SW design

This kind of ball valve featuring forged steel split body side entry design (optional 1-pc, 2-pc or 3-pc body). Specially designed for high pressure service so as