China Valve For Wholese China CF8 Butterfly Valve Supplier MED provides CF8 Butterfly Valves, Nominal Diameter 12 Inch, Raised Face Flanged, 150 LB, API 609, API 598. Valve description Design standard: API 609. Body material: ASTM A351 CF8. Nominal diameter: 12 Inch. Pressure: Class 150 LB. End connection: RF. Face to face: API 609. Working temperature: -196℃ - +800℃. Test and inspection: API 598.