Year1
- 公称通径：
- DN20-DN500
- 连接方式：
- 法兰
- 适用介质：
- 液体、气体
Overview of imported electric pressure regulating valve Electric pressure regulating valve, also known as electric pressure regulating valve, electric pressure reducing valve, electric pressure regulating valve, is an intuitive and simple pressure regulating control device, which can be used in pipeline networks. The electric pressure regulating valve can be used to set the flow rate directly according to the design. The regulating valve can automatically eliminate the residual pressure head of the pipeline and the flow deviation caused by pressure fluctuations under the action of water vapor, and maintain the set flow rate regardless of how the system pressure changes. These functions of the valve enable the pipe network flow adjustment to be completed at one time, turning the network adjustment work into a simple flow distribution, effectively solving the hydraulic imbalance of the pipe network. Pressure regulating valves are mainly used in centralized heating and cooling water systems to distribute pipe network flow as needed, eliminate hydraulic imbalance in the water system, and solve the problem of uneven heating and cooling.
The principle of electric pressure regulating valve
The electric actuator is an electronic integrated structure with a servo amplifier inside. By inputting a control signal or power supply, the valve opening can be controlled to drive the valve to change the valve core. The size of the cross-sectional area between the valve seat and the valve seat controls process parameters such as the pressure of the pipeline medium. The current signal is converted into the corresponding linear displacement, and the opening of the regulating valve is automatically controlled to continuously adjust the pressure. Realize automatic adjustment function.
Main technical parameters of electric pressure regulating valve
Nominal diameter
Bonnet style standard type ~ high temperature type ~ low temperature type ~ bellows seal type ~
Gland type bolt compression type
Sealing packing type PTFE packing type flexible graphite packing
Valve core type single seat sleeve type
Flow characteristics equal percentage
Power voltage input signal or output signal
/>The protection level is equivalent to explosion-proof mark ⅡBⅡB special customized manual function handle
Ambient temperature ~ ambient humidity
Imported electric pressure regulating valve performance
If the leakage amount of the metal valve seat is less than the rated capacity of the valve, it meets Grade B
The return differential actuator is
The basic error actuator is
Note: Standard polytetrafluoroethylene packing is used
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