Many people think that electric valve expensive, high cost, is not the case, if the overall calculation, the traditional valve to add many fittings and piping installation, the price is not dominant, but to assume more maintenance costs. In the case of the electric valve, it is a more cost-effective option for the operator because the electric valve has the advantages of easy assembly, low failure rate and meeting the requirements of the automation industry. Because the use of conventional pneumatic valve, inevitably have to pipe, solenoid valves and compressors to match, and the motor-driven valve is easy to install and save, and the installation of electric valve with the factory's existing automatic control circuit can save the other the costing payment. In addition, motor-driven opening and closing more smooth, no short-term impact of excessive shortcomings, the failure rate can be significantly reduced. Industry sources said that in industrial processes, valves are mostly used to control the flow and flow of various fluids, such as water, oil, chemical liquids, and the like, based on parameters such as temperature, pressure and flow. The factory commonly used control valve pressure relief valve, pneumatic temperature valve, solenoid valve temperature system, proportional control valve temperature system, temperature control valve, and several other types. In the selection of various types of automatic valves, should consider the type of heat engine, the required accuracy, control valve quality, pressure drop, flow and its structure, failure rate, factory credit and after-sales service and other factors in order to achieve economic and practical purposes.
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