... Africa,South America. 4.EPDM seat ISO9001 Cast Iron Gate Valve Specification:1. Size: 1-1/2”-24” (DN40 ... API 598, ISO 52087. Options: Lever, Gearbox operate, Electric actuator, Pneumatic operator, Opening indicator, With limit switch, Others ... Epoxy coating, Painting etc10. Usage: Water supply and drainage, Electric power, Petrochemical, Metallurgical, Firefighting / Fire fighting, or other industries ...