Electric Butterfly Valve

Design Standard
Size Range
2" ~ 48" (DN50~DN1200)
Temperature Range
Pressure Rating
150LB ~ 300LB (PN10~PN40)
Operation Type
Electric operation

Specification parameters

Name Electric butterfly valve
Size 2" ~ 48" (DN50~DN1200)
Pressure 150LB ~ 300LB (PN10~PN40)
Temperature -20°C~+425°C
Drive Mode Electric operation
Applicable media Water, steam, oil, acid and alkali, seawater, etc.

Part materials

valve body WCB, CF8, CF8M
Valve plate WCB, CF8, CF8M
Axis 304, 316, 1Cr13
Sealing ring 316,304
filler Flexible graphite, fluoroplastic

Design Specification

Design Standards API609-83
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

Product Description

The electric butterfly valve is simple in structure, small in size and light in weight, and 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.

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.

Installation tips:

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.

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