Axial Piston Variable Pump A7VO - Group VH A/S

Blocked for new applications / Für Neuanwendung gesperrt8/32 Bosch Rexroth AG A7VO RE 92 202/03.06LR Power ControlLRDPower control with pressure cut-offCharacteristic LRDPressure cut-of is a pressure control that adjusts the pump displacementback towards V g min when a preset pressure value isreached.This function overrides the power control, i.e. below the presetpressure value, the power function is effective.The pressure cut-off is preset to a specified value at the factory.Setting range for pressure cut-off ____________200 – 350 barWhen ordering, state in clear text the setting of the pressurecut-off.Note:Operating pressure pB in barSetting range350max200 min– At the start of control of the power control the max. permissiblesetting of the pressure cut-off has to be multiplied byfactor 5.Example: Start of control (power control): 50 barmax. perm. setting of pressure cut-off:50 bar • 5 = 250 bar– The version with pressure cut-off necesitates a leakage fluidline from port T 1 to the tank.With plugged leackage fluid port a permissible duration ofoperation of the pressure cut-off ≤ 2 min is resulting at t tank≤ 50°C.– Any pressure relief valve included in the circuit to limit themax. pressure must be set to a cracking pressure at least 20bar above the pressure control setting.V g minCircuit diagram LRDU RDisplacementV g minV g maxV g maxA1B (A)X3T1S