Detailed Product Description Product Description1) Pressure: 150-1500 lb (1.0-32MPa) 2) Size: 2''-120" (50-3000 mm) 3) Temperature: -50 - 250 celsius degree 4) Suitable medium: Water, oil, steam, acid, alkali etc. 5) Body: WCB/CF3M/CF3/CF8/CF8M 6) Disc: WCB/SS 7) Stem material: Stainless steel, Cr. Mo. Steel 8) Stuffing: Graphite 9) Operation: Lever, Worm Gear, Pneumatic, Electric, and etc.