How to Choose the Motorized Valve?

The electric valve is composed of a valve body and an electric actuator. The electric valve can be used to control the opening and closing of the valve body to control the pipeline fluid. Because of its simple operation, long service life, and wide application range, electric valves have a wide range of applications in agricultural irrigation, energy extraction, pipeline transportation, and water treatment.

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According to the form of the valve body, it can be divided into: electric ball valve and electric butterfly valve. In addition, the electric ball valve is also divided into two-way, three-way and four-way.

Classification according to the material of the valve body: electric valves can be divided into stainless steel, brass, UPVC, cast iron and other materials.

Classification according to the connection method: There are several connection methods of thread (male and female), flange, clamp, and welded.

According to the function, it can be divided into: on-off type and regulating type. Electric valves are generally on-off type, and there are also regulating type. Switch-type electric valves are generally divided into normally closed and normally open. Normally closed type means that the valve is closed when the power is off, and normally open type is that the valve is open when the power is off.

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In addition, there is a more special type of electric valve, which is a type of electric ball valve. We call it a mini electric valve. This valve has a small volume and a small diameter and is usually used for small flow control. There are several materials such as stainless steel, brass, UPVC, cast iron, etc. The actuator can be selected with intelligent timing.

The choice of electric valve is very important. If it is not selected properly, it will cause waste of resources and affect the use. In many cases, the electric butterfly valve of the same caliber is much cheaper than the ball valve, but the caliber of the butterfly valve must be greater than DN50. In some special working environments, we also need to choose explosion-proof electric valves, sanitary electric valves, high-pressure electric valves to meet the needs of the industry. We must choose the type of valve sealing according to the temperature of the working environment. Therefore, when choosing an electric valve, it is necessary to communicate more with professional technicians, so that they understand their needs, so as to avoid selection mistakes.

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