Specification Parameters Name Trunnion Ball Valve Size 2" ~ 48" (DN50~DN
Double Flanged Butterfly Valve
- Size Range
- 2" ~ 48" (DN50~DN1200)
- Temperature Range
- Pressure Rating
- 150LB ~ 300LB (PN10~PN40)
- Operation Type
- Electric, pneumatic, hydraulic, turbine, etc.
|Name||Double Flange Butterfly Valve|
|Size||2" ~ 48" (DN50~DN1200)|
|Pressure||150LB ~ 300LB (PN10~PN40)|
|Drive Mode||Electric, pneumatic, hydraulic, turbine, etc.|
|Applicable media||Water, steam, oil, acid and alkali, seawater, etc.|
|valve body||WCB, CF8, CF8M|
|Valve plate||WCB, CF8, CF8M|
|Axis||304, 316, 1Cr13|
|filler||Flexible graphite, fluoroplastic|
|Structure length||ASME B16.10, GB/T 12221|
|Flange connection size||ANSI B 16.5|
|Torsion welding standard||ASME B16.25, GB/T 12234|
|Fire Protection Requirements||API 6FA, API 607|
|Pressure test||API 598,GB/T 13927, GB/T 26480|
|Temperature and Pressure Test||ASME B16.34, GB/T 12224|
Double Flanged butterfly valve is simple in structure, small in size and light in weight. It consists of only a few parts. Moreover, it can be quickly opened and closed by rotating 90°, and the operation is simple, and the valve has good fluid control characteristics. The butterfly valve's disc is mounted in the diameter direction of the pipe. In the cylindrical passage of the butterfly valve body, the disc-shaped disc rotates around the axis, and the rotation angle is between 0° and 90°. When the rotation is 90°, the valve is fully open. When the flange butterfly valve is in the fully open position, the thickness of the disc is the only resistance when the medium flows through the valve body, so the pressure drop generated by the valve is small, so it has better flow control characteristics.
flanged butterfly valve main features:
1, easy to open and close, labor-saving, small fluid resistance, can be operated frequently.
2. Simple structure, small size and light weight.
3. Mud can be transported and the liquid is accumulated at the mouth of the pipe.
4. Under low pressure, a good seal can be achieved.
5, the adjustment performance is good.
1. When installing, the disc should stop at the closed position.
2, the opening position should be determined according to the rotation angle of the disc.
3. Butterfly valve with bypass valve. Open the bypass valve before opening.
4, should be installed according to the manufacturer's installation instructions, the weight of the butterfly valve should be set a solid foundation.