Check Valve, also known as a one-way valve or Check Valves. Pipeline used to prevent reflux of a fluid valve. So pipeline fluid can only make one-way flow of fluid when the clock back, the flap valve can be shut down automatically to prevent backflow. According structure can be divided into two categories : elevating and spin-Kai (or a shake-flap). Former perpendicular to the valve flap valve passageway movements with Valve are generally designed as a cut-off valve and valve common. The latter is a flap valve around the sealing surface for rotating movement, resistance than elevating small, poor sealing performance.
Pressure: Class 150LB-2500LB
Material: WCB, LCB, WCC CF8, CF3, CF3M, CF8M
Design & Manufacture Std.: API 6D, BS 1868, API 594, ASME B16.34
Face to Face Std.: API 6D, API 594, ASME B16.10, DIN 3202
Test Standard: ISO5208, API 6D, BS 6755
Structure Type: Regular Pattern, Pressure Sealed Pattern, Damping Pattern.