Valve Body materials: carbon steel, stainless steel and alloy steel ValveConnection: wafer, lug, flanged and BW Manufacturing standards: API, ANSI, BS, DIN and JIS Butterfly Valve Sealing: metal-seated and resilience-seated Valve Size range: from 1-1/4 to 120 inches (DN32 to 3,000mm) Pressure: from PN0.1 to PN6.4MPa Applicable temperature: from -196 to +650°C