Electrical (single seat, three way) control valve (abbr. electrical control valve) is actuating unit of electrical unit combined apparatus. It receives direct current signal from regulating apparatus and change flow of mediums directly (e.g. liquid, gas, steam, etc.) to keep controlled technological parameters (e.g. temperature, pressure, flow, liquid level, etc.) at setting values.ZDLP electronic type electric single seat control valve is PS series or 3810L series straight stroke electric actuator and low flow resistance through single seat valve. (can also be equipped with other brands direct travel agencies). Electric actuator for electronic integrated structure, a servo amplifier, the input control signal (4-20mADC or 1-5VDC) and the power to control the valve, it can regulate the parameters of pressure, flow, liquid level, temperature etc.
pneumatic single seat control valve is made up of lower resistance through single seat valve or lower resistance sleeve valve attached PS or 3810 series actuator (Germany). There is a servo magnifier in the pneumatic actuator and input control single (4 - 20mA DC or 1 - 5V DC) and single-phase power to control the pressure, flow, temperature, and liquid level. This valve is widely applied in power, gas, industry chemical, metallurgy, environment protection, light industry, teaching and scientific research areas.
3 way control valve uses cylindrical thin window shaped valve guiding, which is different from the guide bushing of plunger valve. Equipped with multi-spring actuator makes it have the advantages of simple structure, light weight, small volume, ease of dismounting etc.. 3 way pneumatic control valve is widely used to accurately control gases, liquids and other media.Process parameters such as pressure, flow, temperature and liquid level maintain a set point. 3 way pneumatic control valve is suitable for a occasion that the fluid is divided into two way to outflow through a three-way or two fluid is synthesized into a fluid through a thee-way valve.
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