summary
The electric single seat regulating valve mainly consists of two parts: an electronic actuator and a single seat regulating valve. The electronic actuator includes a servo amplifier, a position signal generator, a position limit switch, and a valve position display. Analog signals of current or voltage sent by adjustable instruments can be used to adjust the opening of valves and achieve regulation and control of pipeline flow and pressure. The valve body of a single seat regulating valve is a low resistance flow through single seat upper guide structure. Electric single seat regulating valves have the characteristics of high accuracy, large flow rate, and small leakage, and are widely used in industrial automatic control systems that require large flow rate and small leakage.
The electric single seat regulating valve has been improved on the old electric regulating valve, with more sensitive action, more accurate flow characteristics, and a compact structure that reduces height by 30%, reduces weight by 30%, and increases flow rate by 30%. Disassembly and assembly are simpler and maintenance is more convenient.
characteristic
1. The valve body is designed according to the principles of fluid mechanics as a low flow resistance channel with equal cross-section, increasing the rated flow coefficient by 30%.
2. The adjustable range is large, with an inherent adjustable ratio of 50, and the flow characteristics have straight lines and equal percentages.
3. The servo amplifier adopts deep dynamic negative feedback. Can improve the accuracy of automatic adjustment.
4. Electric operators come in various forms and can be applied to 4-20mA DC or 0-10mA DC.
5. The electric single seat regulating valve can be directly controlled by the current signal to control the valve opening, without the need for a servo amplifier.
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