Axial piston pumps

rextech engineering
Variable pumps, closed circuit

Axial piston fixed pump

A2FO series 6x

All-purpose high pressure pump

Size 5 … 1000

Nominal pressure up to 400 bar

Maximum pressure up 450 bar

Open circuit

Metric version

Axial piston fixed pump

AA2FO series 6x

All-purpose high pressure pump

Size 10 … 250

Nominal pressure up to 400 bar

Maximum pressure up 450 bar

Open circuit

SAE version (for the US market)

Axial piston fixed pump

A4FO

All-purpose high pressure pump with through drive

Size 22 … 500

Nominal pressure up to 400 bar

Maximum pressure up 450 bar

Open circuit

Axial piston fixed pump

A10FZO series 10

Suitable for variable-speed operation with synchronous and asynchronous motors

Size 6 … 63

Nominal pressure 315 bar

Maximum pressure 350 bar

Open circuit

Axial piston fixed pump

A10FZG series 10

Suitable for variable-speed operation with synchronous and asynchronous motors

Size 6 … 63

Nominal pressure 315 bar

Maximum pressure 350 bar

Closed circuit

Variable pumps, open circuit

Axial piston variable pump

A1VO series 10

For load-sensing systems in smaller mobile machines

Size 18 … 35

Nominal pressure 250 bar

Maximum pressure 280 bar

Open circuit

Axial piston variable pump

A4VBO

Optimized high pressure pump for maximal power requirements up to 500 bar

Size 71 … 450

Nominal pressure 450 bar

Maximum pressure 500 bar

Open circuit

Axial piston variable pump

A4VSO

Robust high pressure pump for industrial applications

Size 40 … 1000

Nominal pressure 350 bar

Maximum pressure 400 bar

Open circuit

Metric version

Axial piston variable pump

AA4VSO

Robust high pressure pump for industrial applications

Size 40 … 355

Nominal pressure 350 bar

Maximum pressure 400 bar

Open circuit

SAE version (for the US market)

Axial piston variable pump

A7VO series 63

Robust high pressure pump for universal use

Size 28 … 500

Nominal pressure 350 bar

Maximum pressure 400 bar

Open circuit

Axial piston variable pump

A10VO series 5x

For machines with medium pressure requirements

Size 10 … 100

Nominal pressure 250 bar

Maximum pressure 315 bar

Open circuit

Axial piston variable pump

A10VSO series 31

All-purpose medium pressure pump

Size 18 … 140

Nominal pressure 280 bar

Maximum pressure 350 bar

Open circuit

Metric version

Axial piston variable pump

AA10VSO series 31

All-purpose medium pressure pump

Size 18 … 140

Nominal pressure 280 bar

Maximum pressure 350 bar

Open circuit

SAE version (for the US market)

Axial piston variable pump

A10VSO series 32

Optimized medium pressure pump for high power machines

Size 45 … 180

Nominal pressure 280 bar

Maximum pressure 350 bar

Open circuit

Axial piston variable pump

A10VZO series 10

Suitable for variable-speed operation with synchronous and asynchronous motors

Size 45 … 180

Nominal pressure 280 bar

Maximum pressure up 350 bar

Open circuit

Axial piston variable pump

A15VSO series 1x

All-purpose high pressure pump with through drive

Size 110 … 280

Nominal pressure 350 bar

Maximum pressure 420 bar

Open circuit

Metering pump for polyurethane components

A7VK series 10

Axial piston variable pump

Size 12 … 107

Nominal pressure 250 bar

Maximum pressure 315 bar

Open and closed design

Variable pumps, closed circuit

Axial piston variable pump

A4VSG

Robust high pressure pump for industrial applications

Size 40 … 1000

Nominal pressure 350 bar

Maximum pressure 400 bar

Closed circuit

Metric version

Axial piston variable pump

AA4VSG

Robust high pressure pump for industrial applications

Size 40 … 355

Nominal pressure 350 bar

Maximum pressure 400 bar

Closed circuit

SAE version (for the US market)

Axial piston variable pump

A4CSG series 30

Robust high pressure pump with integrated boost pump

Size 250 … 750

Nominal pressure 350 bar

Maximum pressure 400 bar

Closed circuit

Metric version

Axial piston variable pump

AA4CSG series 30

Robust high pressure pump with integrated boost pump

Size 250 … 355

Nominal pressure 350 bar

Maximum pressure 400 bar

Closed circuit

SAE version (for the US market)

Axial piston variable pump

A10VZG series 10

Suitable for variable-speed operation with synchronous and asynchronous motors

Size 10 … 63

Closed circuit

Control systems for A4VS
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

Electrohydraulic control systems with external electronics

Electrohydraulic control systems

HSx, HMx, EOx

Available for A4VSO, A4VBO, A4VSG and A4CSG

Electrohydraulic control with servo, proportional and control valve

Digital electrohydraulic control systems with amplifier

Control of swivel angle, pressure and power (HS5P)

Usable as a special version in mooring operation (overcenter)

Electronic pressure and flow control

DFE1

Available for A4VSO and A4VBO

For the electrohydraulic control of pressure, flow and power

For the electrohydraulic control of pressure, flow and power

Rapid decompression via pump by flow direction change as standard

Rotary group optimized for long standby operating times

Secondary control for open circuit

DS2

Available for A4VSO

Highly dynamic rotary drive for open circuit

Motor and generator operation for both directions of rotation

With energy recovery and energy storage

With closed loop rotational speed, position, or torque control for high control performance and dynamics

Secondary control for closed circuit

DS2

Available for A4VSG

Highly dynamic rotary drive for closed circuit

Motor and generator operation for both directions of rotation

With energy recovery and energy storage

With closed loop rotational speed, position, or torque control for high control performance and dynamics

Electrohydraulic actuation with on-board electronics

Pressure and flow control system

HS5E

Available for A4VSO, A4VBO, A4VSG and A4CSG

Electrohydraulic control systems with on-board electronics

For the electrohydraulic control of pressure, flow and power

Optional conversion of HS3 and HS4 to HS5E

Pressure and flow control system

SYHDFEE-1X

Version with axial piston variable displacement pump A4VSO

Size 40 … 355

Maximum operating pressure 350 bar

Function: Swivel angle control, Pressure control,Torque limitation, Master-Slave

Communication: Analog, configurable

Pressure and flow control system

SYHDFEC-1X

Version with axial piston variable displacement pump A4VSO

Size 40 … 355

Maximum operating pressure 350 bar

Function: Swivel angle control, Pressure control,Torque limitation, Master-Slave

Communication: Analog, CANopen, parameterizable

Pressure and flow control system

SYHDFED-1X

Version with axial piston variable displacement pump A4VSO

Size 40 … 355

Maximum operating pressure 350 bar

Function: Swivel angle control, Pressure control,Torque limitation, Master-Slave

Communication: Sercos, PROFINET, EtherCAT, EtherNET/IP, POWERLINK, VARAN, analog

Pressure and flow control system

SYHDFEn-1X

Version with axial piston variable displacement pump A4VSO

Size 40 … 355

Maximum operating pressure 350 bar

Function: Swivel angle control, Pressure control, Torque limitation, Master-Slave, Variable-speed

Communication: Analog, CANopen, parameterizable

Accessories

Flushing valve with pressure holding valve

SV

For flushing out hydraulic fluid and dirt particles from the closed circuit

Size 40 … 90

Nominal pressure 400 bar

Maximum pressure 450 bar

Closed circuit

Power valve

LA

For the power limiting of variable pumps with hydraulic proportional control

Size 6

Nominal pressure 350 bar

Maximum pressure 400 bar

2-spring-power controller

Hydraulic tank

TMP / TMS

For hydrostatic fan drives in buses

Steel or polymer versions

Total volume 8 liters

Flow rate up to 90 l/min