... Europe,Africa,South America. 4.EPDM seat ISO9001 Cast Iron Gate Valve Specification:1. Size: 1-1/2”-24” (DN40- ... iron, with or without EPDM5. Seat: Stainless steel, Brass/Bronze etc6. Testing: API 598, ISO 52087. Options: Lever, Gearbox ... with or without EPDMSeatEPDM / NBR / VITON / PTFEStemStainless steel, Brass/Bronze etc BushingPTFE"O" ringNBR, PTFELevelMalleable iron, Carbon steelContact: Ms. Annie ...