Relief Valve

Relief Valve

The relief valve is a hydraulic pressure control valve, which mainly plays the role of constant pressure overflow, voltage regulation, system unloading and safety protection in hydraulic equipment.

Product Details

Relief Valve

Relief valve: It can control the hydraulic system to maintain a constant state when the set pressure is reached. The relief valve for overload protection is called a safety valve. When the system fails and the pressure rises to a limit that may cause damage, the valve port will open and overflow to ensure the safety of the system.


The relief valve is a hydraulic pressure control valve, which mainly plays the role of constant pressure overflow, voltage regulation, system unloading and safety protection in hydraulic equipment.


Modular Relief Valve Information:

Model No:MBP-02

Max Pressure:25Mpa

Flow:2~300Liter/Min


Features:

1,Constant pressure overflow: In the metering pump throttle regulation system, the metering pump provides a constant flow. When the system pressure increases, the flow demand is reduced. At this point, the relief valve opens, allowing excess flow to overflow back to the tank, ensuring the inlet pressure of the relief valve, ie the pump outlet pressure is constant (the valve port often opens with pressure fluctuations).


2,Regulating effect: The relief valve is connected in series on the return line, the relief valve generates back pressure, and the smoothness of the moving parts increases.


3,System unloading function: a small flow solenoid valve is connected in series at the remote control port of the overflow valve. When the electromagnet is energized, the remote control port of the overflow valve is connected to the fuel tank, and the hydraulic pump is unloaded. The relief valve is now used as an unloading valve.


4,Safety protection: When the system is working normally, the valve is closed. Only when the load exceeds the specified limit (system pressure exceeds the set pressure), the overflow is turned on, and the overload protection is performed, so that the system pressure is no longer increased (usually the set pressure of the relief valve is 10% to 20% higher than the maximum working pressure of the system). ).




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Modular Relief Valve


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