Check Valve with Working Temperature of -10 to 150 Degrees Celsius, Suitable for Handling Water Check-valve(DBN600~DN1200)Working temperature: -10 to 150 degrees CelsiusValve design: AP1594Flange: ANSI B16.1 Class 125, DIN 2501, PN10/16Face to face: BS EN 558-1Suitable for handling: water, sewage, sea water, air, food and oil