... , medicine, textile, water Supplying/draining, paper making, ship building, environmental protection, etc. 3. Material List Body: 65 - 45 - 12, WCB, GG25, 316 ... : Wafer Testing API: 598 Suitable Media: Water, oil, gas, corrosive material EPDM/NBR seat: -84.2 176 (º F) or - 64 5 ...