1,Standard or Nonstandard: Standard 2,Power: Manual 3,Material: Stainless Steel 4,Pressure: High Pressure orge stainless check valve Specifications:1) Size: 1/2~2"2) Pressure class: 150 ~ 2,500lbs 3) Temperature: -196 ~ 600°C 4) Suitable medium: water, oil, vapor, carbinol,ethene5) Body material: WCB, WC1, WC5, WC6, WC9, C12, CF3, CF8, CF3M, CF8M6)Operation: manual control, gear operated, motor ...