Flushing and Boost Pressure Valve


The flushing and boost pressure valve is used to flush the closed circuit when excess heat is generated.

The valve is fitted between service line A and B. When the pressure difference exceeds 3 - 5 bar between the two lines A and B, the flushing valve is opened by the high pressure. The flushing and boost pressure valve Б is set at a fixed pressure of 16 bar and serves to maintain the boost pressure.

The flushing operation is effected via a orifice from the low pressure line into the tank. The oil fluid which is removed from the circuit has to be replaced with cooled oil by the boost pump. Different flushing volumes can be selected by means of orifices.

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