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![[!--oldtitle--]](/d/file/products/Valve-parts/2021-02-06/fd26328e7ee426579e03dcc0292c19e5.jpg)
The working principle of the unloading valve: when the system pressure reaches the valve opening pressure, the valve opens and unloads; when the system pressure drops to the valve closing pressure, the valve closes and the system loads.




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