产品详情
| HVAC Motorized Control Valve |
DN20-800 |
PN1.0-2.5MPa |
应用
The hydraulic control piping system consists of a main valve, solenoid pilot valve, needle valve, ball valve, micro-filter, and pressure gauge. Remote control of the valve's opening and closing can be achieved through the solenoid pilot valve. By adding auxiliary devices, the opening and closing speed can be controlled.
This product uses the pilot valve to control the opening and closing of the main valve, saving energy. It can replace large-scale electric actuators of other valves.
When water is supplied to the valve from the inlet end, the water flows through the needle valve into the main valve control chamber. When the solenoid pilot valve is opened, the water in the control chamber flows out through the solenoid pilot valve and ball valve. Since the opening degree of the ball valve is larger than that of the needle valve, the pressure in the main valve control chamber is very low, and the main valve is fully open.
When the solenoid pilot valve is closed, the water in the main valve control chamber cannot flow out. The pressure in the control chamber rises, pushing the diaphragm to close the main valve.
包装及运输
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