Manufactur standard Bellow Valve - Center line double-flange butterfly valve – BESTOP

1.The short structure of u-type flange butterfly valve can save raw materials and installation space, and also effectively support the strength of the pipeline.
2.Centric shaft position, 100% bi-directional bubble tight shut off make installation acceptable at any direction.

1.Body test: 1.5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is called as a body hydro test.
2.Seat test: 1.1 times the working pressure with water.
3.Function/Operation test: At the time of final inspection, each valve and its actuator (Lever/Gear/Pneumatic actuator)under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.
4.Special test: On request, any other test can be carried out according to special instruction by client.

The U-type flange butterfly valve is perfectly suitable for marine industry, water supply & drainage, fire fighting,shipbuilding, water treatment and other systems.

1.OEM & customization capability
2.Our own foundry(Precision casting/Sand castings) to guarantee fast delivery and quality
3.MTC and Inspection report will be provided for each shipment
4.Rich operating experience for project orders
5.Certificates available:WRAS/ISO/CE/NSF/KS/TS/BV/SGS/TUV …