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a) Connecting to the hydraulic circuit
The motor can be installed on both a closed and open loop circuit.
In the case of an open circuit installation, the solenoid valve or control valve may be of either the
closed centre or open type.
The circuit line corresponding to the hydraulic motor delivery port must always be equipped with
a pressure relief valve calibrated to a pressure no greater than the motor’s pmax. Refer to the
hydraulic circuit diagrams below.
If this is not possible because the circuit must also actuate other equipment at a higher pressure,
or the control valve is of the closed centre type and the motor drives components with high inertia,
auxiliary pressure relief valves must be installed as close as possible to the motor.
Closed loop circuit Open loop circuit
Closed centre
control valve
Open centre
control valve
RV = pressure relief valves calibrated to pRV < pmax.
RV = pressure relief valves calibrated to pRV < pmax.
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