... acid and some corrosive liquidsTemperature Range: -40C~180CWorking Pressure: 1.6~6.4MPaMain Material: CF8, CF8M, CF3, CF3M, WCBSize: From 1/4 ... : Casting Specifications: Nominal pressurePN1.6, 2.5, 4.0.6.4mpaStrength testing pressurePT2.4, 3.8, 6.0, 9.6,Seat testing pressure(low pressure ...