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Ball Valve
- category :Complete set of valves
- email :vsdeme@vsdeme.com
- phone :+86-0578-2927663
working principle:
The structure of electric ball valve is simple, which is composed of only a few parts, so the data consumption is low; the volume is small, the weight is light, the installation size is small, and the driving torque is small, The pressure regulating valve is easy to operate and quick to open and close with 90 ° rotation. It also has good flow regulation effect and sealing characteristics. In the application field of medium and small diameter, medium and low pressure, the electric ball valve is the dominant valve situation. When the electric ball valve is in the full open position, the thickness of the butterfly plate is the only resistance when the medium flows through the valve body, so the pressure drop through the valve is very small, so it has good flow control characteristics. There are two types of electric ball valve: elastic seal and metal seal. Elastic seal valve, seal ring can be embedded in the body or attached to the butterfly plate around.
The service life of the valve with metal seal is generally longer than that with elastic seal, but it is difficult to achieve complete seal. Metal seal can adapt to higher working temperature, while elastic seal is limited by temperature. If the request electric ball valve as a flow control use, it is important to accurately select the size and type of valve. The construction principle of electric ball valve is especially suitable for manufacturing large diameter valve. Electric ball valve is not only widely used in oil, gas, chemical industry, water treatment and other general industries, but also used in cooling water system of thermal power station. There are two kinds of commonly used electric ball valves: clip type electric ball valve and flange type electric ball valve. Clip on electric ball valve is connected between two pipe flanges with stud bolts. Flange type electric ball valve is equipped with flange on the valve, and the flanges on both ends of the valve are connected to the pipe flange with bolts. The strength performance of the valve refers to the ability of the valve to bear medium pressure. Valve is a mechanical product suffering from internal pressure, so it must have enough strength and rigidity to ensure long-term use without cracking or deformation.
The structure of electric ball valve is simple, which is composed of only a few parts, so the data consumption is low; the volume is small, the weight is light, the installation size is small, and the driving torque is small, The pressure regulating valve is easy to operate and quick to open and close with 90 ° rotation. It also has good flow regulation effect and sealing characteristics. In the application field of medium and small diameter, medium and low pressure, the electric ball valve is the dominant valve situation. When the electric ball valve is in the full open position, the thickness of the butterfly plate is the only resistance when the medium flows through the valve body, so the pressure drop through the valve is very small, so it has good flow control characteristics. There are two types of electric ball valve: elastic seal and metal seal. Elastic seal valve, seal ring can be embedded in the body or attached to the butterfly plate around.
The service life of the valve with metal seal is generally longer than that with elastic seal, but it is difficult to achieve complete seal. Metal seal can adapt to higher working temperature, while elastic seal is limited by temperature. If the request electric ball valve as a flow control use, it is important to accurately select the size and type of valve. The construction principle of electric ball valve is especially suitable for manufacturing large diameter valve. Electric ball valve is not only widely used in oil, gas, chemical industry, water treatment and other general industries, but also used in cooling water system of thermal power station. There are two kinds of commonly used electric ball valves: clip type electric ball valve and flange type electric ball valve. Clip on electric ball valve is connected between two pipe flanges with stud bolts. Flange type electric ball valve is equipped with flange on the valve, and the flanges on both ends of the valve are connected to the pipe flange with bolts. The strength performance of the valve refers to the ability of the valve to bear medium pressure. Valve is a mechanical product suffering from internal pressure, so it must have enough strength and rigidity to ensure long-term use without cracking or deformation.
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