The pump has a shut-off valve with pneumatic control. This allows the pump to be controlled so that it only supplies oil when it is needed. The signal is supplied by a switch in the control panel or automatically, e.g. from the handbrake, a pressure sensor or an electronic circuit. When the valve is closed, neither a flow rate nor a pressure is generated and therefore the auxiliary drive is not loaded. delivery includes bypass valve and suction connection kit.
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