Selection skills of electric control valve
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Release Time：2017-08-21
Electric control valve is an important part in the industrial production process, with the continuous development of science and technology and the improvement of the quality and performance of the electric control valve, the electric control valve is used in various working conditions. The electric control valve has the advantages of environmental protection, energy saving, rapid installation, convenient maintenance, simple operation and high cost performance, which is loved and purchased by customers. 1, for the requirements of the flow and open height of the proportional relationship between the strict occasions, should choose a special control valve. 2. The ideal flow characteristics of the regulating valve are quick-opening, parabolic, linear, and other percentages. It can be selected according to the actual working flow characteristics.
Electric control valve is an important part in the industrial production process, with the continuous development of science and technology and the improvement of the quality and performance of the electric control valve, the electric control valve is used in various working conditions. The electric control valve has the advantages of environmental protection, energy saving, rapid installation, convenient maintenance, simple operation and high cost performance, which is loved and purchased by customers.
1, for the requirements of the flow and open height of the proportional relationship between the strict occasions, should choose a special control valve.
2. The ideal flow characteristics of the regulating valve are fast open, parabolic, linear, and other percentages. The regulating valve with suitable flow characteristics can be selected according to the actual working flow characteristics.
3, electric control valve selection of the main control parameters: nominal diameter, design nominal pressure, medium to allow the temperature range, flow coefficient and so on.
4. The sealing performance of the valve is one of the main indicators to assess the quality of the valve. The sealing performance of the valve mainly includes two aspects, namely, internal leakage and external leakage. Internal leakage refers to the degree of sealing between the valve seat and the closing part to the medium. External leakage refers to the leakage of the valve stem packing, the leakage of the middle gasket and the leakage of the valve body due to casting defects. External leakage is not allowed to occur.
5. The selection of the nominal diameter of the regulating valve should be determined according to the required valve flow capacity. Regulating valve nominal diameter can not be too large or too small.
Reasonable choice for the condition of the valve is the most able to reflect the quality and advantages of the valve, not only that, in the valve installation, maintenance and repair must be timely understanding in order to truly control the valve.
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Wuhan Xiete Valve Technology Co., Ltd.Focus on all kinds of valves,Filter,Gas drainer,Throttle orifice plateIt is a professional manufacturing enterprise integrating R & D, production, sales and after-sales, with 20 years of rich experience in the industry. It owns the Xiete valve brand, builds the best R & D professional team in the industry, and has a number of independently designed and developed patented products. Provide customers with the bestValve function customization solution, and has successfully provided professional design customization services for many enterprises and institutions. At the same time, Wuhan Xiete Valve Technology Co., Ltd. has obtained ISO9001 quality system certification and TS special equipment license. Our product types, complete styles, quality assurance, factory direct sales, economical, convenient and fast to provide customers with one-stop service!
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