Type: Wafer Butterfly Valve. Material: Carbon Steel, Stainless Steel and Alloy Steel. Manufacturing standards: JIS B2002, JIS B2003. Sealing: metal and resilience-seated. Size Range: 1 1/40-120 Inch (DN32-3,000mm). Pressure: PN0.1-PN6.4MPa. Applicable temperature: from -196 to +650 °C.