unloader valve 1622364800
What is a unloading valve
Unloading valve is under certain conditions,
can make hydraulic pump unloading valve. Unloading valve is usually a with two two-way valve solenoid valve is (often) the overflow valve, when the function is not unloading set system (pump) is used as the main stress, unloader valve 1622364800when unloading state (by two two-way valve action transformation) direct return tank pressure oil,
unloader valve 1622364800 the oil pump pressure drops to approximate to zero, in order to realize some loop control and improve the pump life, reduce power consumption. In a circuit belonging to a merging circuit.
The pressure reducing valve is used to adjust the pressure required by the executive element. It is connected in series in the loop and generally cannot be used interchangeably.
Conventional defect analysis of unloading valve:
1) the problem of oil seepage outside the unloading valve. Generally, it is caused by O-ring damage, uneven sealing surface grooves, or insufficient bolt tightening force. In the figure above, O-ring damage everywhere can cause leakage. On the other hand, if there is leakage in the pilot valve, replace the O-ring and check the sealing surface, there is still leakage, then it may be necessary to consider the leakage of the O-ring of the slide valve sleeve, which should be with a small gap, general maintenance will not be removed, unless the destructive force is removed.
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