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A manifold without external pilot lines saves piping and two possible leakage points. This version of the 4WRZE25 draws pilot oil internally and returns it internally, at 220 l/min nominal flow and 350 bar. It is driven by a 4...20 mA current command.
Proportional Directional Valve 4WRZE25W6-220-7X/6EG24N9ETK31/F1M - Bosch Rexroth R901124430
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,131.33
Item
BRR-R901124430
Manufacturer no.
R901124430
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901124430
Country of originGermany
ConditionNew
Artikel
BRR-R901124430
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Every pilot line that does not have to be routed saves assembly time and one more place to leak. This version of the 4WRZE25 with spool symbol W6 feeds its pilot stage internally and returns the pilot oil internally as well, rated at 220 l/min nominal flow and 350 bar.
Benefits
- Internal pilot supply and internal pilot return, so no X and Y lines are needed on the manifold.
- 220 l/min nominal flow serves medium axes, with up to 870 l/min available as peak flow.
- The 4...20 mA current command makes a broken wire visible through the missing live zero.
- On-board electronics control the spool at the valve, no separate amplifier card is required.
- 350 bar operating pressure and NBR seals cover a standard mineral oil circuit with HL fluid.
Technical data
| Conformity, evidence | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 220 l/min |
| Conformity | UKCA |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value 4...20 mA |
| Number of switching positions | 3 |
| Hydraulic fluid | HL |
| Number of ports | 4 |
| Electrical connection | Connector 7-pole (6 + PE) according to EN 175201-804 |
| Spool symbol | Symbol W6 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.2 kg |
Applications
The version suits machines whose working pressure stays above the minimum pilot pressure at all times, such as clamping units, sawmill axes and test rigs. The ISO 4401-08-08-0-05 pattern is the standard size 25 interface. At 20.2 kg the weight matches the other valves of this range.
Manufacturer
Bosch Rexroth lists this product under material number R901124430. Full characteristic curves and mounting dimensions are listed in data sheet RE 29115 and RE 07600-B.
| Hersteller-Nr | R901124430 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.191000 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
| Position sensing | No |
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