Cast Steel Check Valves: Swing Disc, BC. Body: WCB, CF8, CF8M, CF3, CF3M, Alloy steel. Size: 2" -30" , class: ANSI 150-2500Lbs Design: ASME B16.34/ API6D/ BS1868 Face to Face: ASME B16.10 Flange ends: ASME B16.5 Test: API598 __ Zhejiang WZIPIE Valve Co., Ltd. China Tel: 86-577-8886 9735 ( Export Line) Fax: 86-577-8886 9795 ( Export Line) Http: / / www.wenzhou-valve.com