Electric butterfly valve is widely used in food, environmental protection, light industry, petroleum, chemical industry, water treatment, municipal engineering, papermaking, electric power, water treatment and other industries of industrial...

With the continuous improvement of technology, pneumatic valves and electric valve has been replaced in many conditions the use of manual valves.

Valve is used to open and close, control, adjust and control the flow of medium parameters (temperature, pressure and flow) of pipeline fittings.

Electric regulator power supply is used to drive electric actuators and then drive to throttling valve, it is an important execution units in industrial automation process control instrumentation.

Installation requirements1, before installation of valve, should be carefully check valves conform whether type, specification and design;