... .Sell to Europe,Africa,South America. 4.EPDM seat ISO9001 Cast Iron Gate Valve Specification:1. Size: 1-1/2”-24” (DN40-DN600 ... )2. Design Standard: BS5163, AWWA C509/C515, DIN3202 F4/F5, MSS SP-70.3. End Flange Connection: ANSI B ... etc BushingPTFE"O" ringNBR, PTFELevelMalleable iron, Carbon steelContact: Ms. Annie Tel: +86-311-85520268/9, Fax: +86-311-85520266 ISO9001 Cast Iron Gate Valve