Rexroth Proportional Servo Valves

Rexroth Proportional Valve 4WRPEH

Rexroth 4WRPE
Rexroth Proportional Valve 4WRPEH
Rexroth Proportional Valve 4WRPEH

Description

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Data Sheet of 4WRPH 6 series

Data Sheet of 4WRPH 10 series

REXROTH Type Code of 4WRPEH Series

 

Rexroth Proportional Valve 4WRPEH 6 Description

The high-response valve type Rexroth 4WRPEH is a direct operated directional control valve with electric position feedback and integrated electronics (OBE). In the integrated electronics (OBE), the specified command value is compared with the position actual value 4WRPEH. In case of control deviations, the stroke solenoid will be activated which - due to the changed magnetic force - adjusts the control spool against the spring. Stroke/control cross-section is controlled proportionally to the command value. In case of a command value presetting of 0 V, the electronics adjusts the control spool against the spring to central position. In deactivated condition, the spring is untensioned to a maximum and the valve is in fail-safe position.

Switch-off behavior

With switched-off electronics, the valve 4WRPEH will immediately move into the relevant secured basic position (fail-safe). In this connection, it moves through the switching position P–B/A–T which may result in movements at the controlled component. This has to be considered in the system design: Control solenoid with position transducer; Valve body; Connector for possible 2nd stage; Mating connector

 

Rexroth Proportional Valve 4WRPEH 10 Description

In the integrated electronics, the specified command value is compared with the position actual value. In case of control deviations, the stroke solenoid will be activated which - due to the changed magnetic force - adjusts the control spool against the spring.

Stroke/control cross-section is controlled proportionally to the command value. In case of a command value presetting of 0 V, the electronics adjusts the control spool against the spring to central position. In deactivated condition, the spring is untensioned to a maximum and the 4WRPEH valve is in fail-safe position.

Switch-off behavior

With switched-off electronics, the valve will immediately move into the relevant secured basic position (fail-safe). In this connection, it moves through the position P–B/A–T which may result in movements at the controlled component. This has to be considered in the system design: Control solenoid with position transducer; Valve body; Mating connector

 

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Rexroth Valve 4WRPEH 6 -2X Technical Data

Type

Rexroth 4WRPEH

Size

6

Component series

 

2X

Design

 

Directional spool valve, direct operated, with steel sleeve

Type of actuation

 

Proportional solenoid with position control, OBE

Anschlussart

 

For subplate mounting: Porting pattern according to ISO 4401

Installation position

 

Any

Earth

kg

2.7

Ambient temperature range

°C

-20 … +50

Maximum vibration resistance

g

25

MTTFd values according to EN ISO 13849

yrs

150

 

 

Rexroth Valve 4WRPEH 6 -3X Technical Data

Type

Rexroth 4WRPEH

Size

6

Component series

 

3X

Design

 

Directional spool valve, direct operated, with steel sleeve

Type of actuation

 

Proportional solenoid with position control, OBE

Anschlussart

 

Plate connection, porting pattern according to ISO 4401

Installation position

 

Any

Earth

kg

2.9

Storage temperature range

°C

+10 … +40

Ambient temperature range

°C

-20 … +60

Sine test according to DIN EN 60068-2-6

 

10...2000...10 Hz / maximum 10 g / 10 cycles / 3 axes

Random test according to DIN EN 60068-2-64

 

20 ... 2000 Hz / 10 gRMS / 30 g peak / 30 min / 3 axes

Shock test according to DIN EN 60068-2-27

 

15 g / 11 ms / 3 axes

Maximum relative humidity 1)

%

95

MTTFd values according to EN ISO 13849

yrs

150

1) no condensation

 

Rexroth Valve 4WRPEH 10 Technical Data

Type

4WRPEH

Size

10

Component series

 

2X

Design

 

Directional spool valve, direct operated, with steel sleeve

Type of actuation

 

Proportional solenoid with position control, OBE

Anschlussart

 

Plate connection, porting pattern according to ISO 4401

Installation position

 

Any

Earth

kg

7.1

Ambient temperature range

°C

-20 … +50

Maximum vibration resistance

g

25

 

Rexroth Valve 4WRPEH 6 -2X Features

4/4 directional design

With control spool and sleeve in servo quality

Operated on one side, 4/4 fail-safe position in switched-off condition

Electric position feedback and integrated electronics (OBE), calibrated in the factory

Electrical connection 6P+PE; signal input differential amplifier with interface "A1" ±10 V or interface "F1" 4 ... 20 mA (Rsh= 200 Ω)

Use for electro-hydraulic controls in production and test systems

 

Rexroth Valve 4WRPEH 6 -3X Features

Reliable - proven and robust design

Safe - fail-safe position of the control spool in switched-off condition

Energy-efficient - no pilot oil demand

High quality - control spool and sleeve in servo quality

Flexible - suitable for position, velocity and pressure control

Precise - high response sensitivity and little hysteresis

 

Rexroth Valve 4WRPEH 10 Features

High-response directional valve, direct operated, with control spool and sleeve in servo quality

Operated on one side, 4/4 fail-safe position in switched-off condition

Electric position feedback and integrated electronics (OBE), calibrated in the factory

Electrical connection 6P+PE; signal input differential amplifier with interface "A1" ±10 V or interface "F1" 4 ... 20 mA (Rsh= 200 Ω)

Use for electro-hydraulic controls in production and test systems

 

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