Product Description Triple offset butterfly valve, Metal Seal Butterfly Valve Three eccentric butterfly valve, Hard seal butterfly valve Specifications: 1) Size: 2- 72" 2) Pressure: Class150 - 300LB 3) Temperature: -29C - 425C (WCB), -196C - 600C (SS), -570-570(alloy steel) 4) Suitable medium: Water, oil, gas, vapor, steam etc. 5) Body and disc material: WCB, CF3, CF8, CF3M, CF8M etc. 6) Stem material: 410(1Cr13), 420(2Cr13), 304, 316, 304L, 316L, 38CrMoAlA, 25Cr1MOV 7) Packing: Graphite 8) Operating type: Worm gear, pneumatic actuator We also welcom your OEM!