API Gate valve Design standard: API 600 Face to face: API B16.10 Flange standard: API B16.5 Test standard: API 598 Details to see the http://www.yongyi-valve.com/english/List.asp?Shop_ID=620 please. - Update: 2007-04-14

API Forged steel Gate Valve Design and manufacture: JPI-7S-36, ANSI B16.34, BS 5352 Socket end: ANSI B16.11 Screw end: ANSI B120.1 Inspection and test: API 598 Body material: A105, F11, F12, F304, F316, F304L, F316L Seating: 13Cr/13... - Update: 2007-04-14