
Duo Wafer Check Valves: Size: 2in-48in , Class: ANSI 150-2500# Body: WCB, CF8, CF8M, CF3, CF3M, Alloy steel, CI, DI etc. Design: API594, Test: API598 for oil, gas, petrochemical etc. industrial applications We have more than 30years experiences in manufacturing and supply this. __ Zhejiang WZIPIE Valve Co., Ltd. China Tel: 86-577-8886 9735 (Export Line) Fax: 86-577-8886 9795 (Export Line)