ANSI B16.34 API 6D Swing Flanged Check Valve , Pressure Class 150 - 1500
Descrition:
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.
Specifications:
Design and Manufacture: ANSI B16.34,API 6D,BS1868
Face to face(end to end): ANSI B16.10, API6D, DIN3202
Test and inspection: API598, API6D, BS6755
Pressure: Class150 - Class1500
Size: DN50-DN600
Materials list:
| NO. | Part name | Material | |||
| 1 | Body | A216 Gr WCB | A352 Gr LCB | A217 Gr WC6 | A217 Gr WC9 |
| 2 | Cover | A216 Gr WCB | A352 Gr LCB | A217 Gr WC6 | A217 Gr WC9 |
| 3 | Hinge | A216 Gr WCB | A352 Gr LCB | A217 Gr WC6 | A217 Gr WC9 |
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