Name: Swing Check Valve. Type: Check Valve. Valve Description: Design standard: API 6D. Body material: WCB. Pressure: 150 LB. End connection: RF. Face to face: ASME B16.10. Working temperature: -29℃~+400℃. Test and inspection: API 598. Duwa Swing Check Valve Product Range: Body Material: Low Temperature Carbon Steel, Carbon Steel, Stainless Steel. Normal diameter: 2"~60" (DN50~DN1500). End connection: BW, Flanged. Pressure range: 150 lb~2500 lb (PN16~PN420). Working temperature: -29℃~+400℃.