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Hydraulic and electrohydraulic controls
Pressure and flow controller
DR, DP, FR, DFR
- Available for A4VSO and A4VSG
- Pressure and flow control
- Remote controlled optional
- Pressure controller for parallel operation optional
- Mechanical Vg min and Vg max limitation
Power controller
LR2, LR3, LR2N, LR3N
- Available for A4VSO and A4VBO
- Precise control in accordance with the hyperbolic characteristic curve, provides an optimum utilization of available power
- The beginning of control is mechanically adjustable
- Additional functions in the modular system for pressure control, fixed setting and remotely controllable, flow control, hydraulic or mechanical stroke limiter
Pilot-pressure related proportional control
HD
- Available for A4VSO, A4VSG and A4CSG
- Control is pilot-pressure related
- Different pilot-pressure ranges available
- Power control, pressure control and electrical pilot pressure supply optional
- Standard spring-centering of the stroking cylinder
Electrohydraulic control with proportional solenoid
EP
- Available for A4VSG and A4CSG
- Electro-proportional control by a current signal
- High control accuracy
- Resets to neutral position in the event of a signal failure
- With manual override
Subject to change, status 2019-07-08 19:20:04