... Africa,South America. 4.EPDM seat ISO9001 Cast Iron Gate Valve Specification:1. Size: 1-1/2”-24” (DN40- ... stem9. Finishing: Epoxy coating, Painting etc10. Usage: Water supply and drainage, Electric power, Petrochemical, Metallurgical, Firefighting / Fire fighting, or ... NBR)-10°C to 120°C (EPDM)Suitable MediaWater, Oil and gasParts & Materials: PartsMaterialsBodyGrey iron, Ductile iron, Carbon steel, ...