Working characteristics of flange:
1. The utility model relates to an automatic control butterfly valve which can be remotely controlled. At the same time, it has the characteristics of flange butterfly valve and can be equipped with a wide range of butterfly valves;
2. Power supply is the driving energy of butterfly valve. It has a wide range of power sources and a wide range of applications, saving human resources and working efficiency;
3. It is easy to operate and meet various control requirements. It can be realized by selecting different actuators, including signal feedback, flow regulation, explosion-proof and other functions;
4. It can realize ultra miniaturization, realize mechanical self-locking, and change different sealing rings to meet different working conditions.
Working principle of flange:
Using the actuator to input a standard signal of 0-10 Ma, the motor group drives the gear, worm and worm angular torque to drive the disc plate to rotate. When the valve is in the fully open position, the thickness of the butterfly plate is the resistance of the medium flowing through the valve body, so the pressure drop generated by passing through the valve is very small, so it has good flow control characteristics.
Butterfly valves have two sealing types: elastic sealing and metal sealing. For elastic seal valves, the sealing ring can be embedded on the valve body or attached to the periphery of the butterfly plate. The valve with metal seal generally has a longer service life than the valve with elastic seal, but it is difficult to achieve complete sealing. Metal seal can adapt to higher working temperature, while elastic seal has the defect of being limited by temperature. If flange butterfly valve is required to be used as flow control, the main thing is to correctly select the size and type of valve.
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