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For large axes with their own pilot circuit, this 4WRZE25W8-325 combines external pilot oil supply with external return. Nominal flow 325 l/min at 350 bar, spool symbol W8, analog ±10 V command, mass 20.62 kg.
Proportional Directional Valve 4WRZE25W8-325-7X/6EG24K31/A1D3M - Bosch Rexroth R901109701
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,001.72
Item
BRR-R901109701
Manufacturer no.
R901109701
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901109701
Country of originGermany
ConditionNew
Artikel
BRR-R901109701
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A separate pilot oil circuit keeps the response time of a directional valve independent of working pressure. The 4WRZE25W8-325-7X/6EG24K31/A1D3M is built external on both feed and return for that, metering 325 l/min nominal flow at 350 bar.
Benefits
- External pilot oil supply and external pilot oil return fully decouple pilot control from the working circuit.
- 325 l/min nominal flow with reserve up to 870 l/min maximum flow.
- Analog ±10 V command carries direction in its sign, so one line covers both movements.
- The integrated pressure reducing valve protects the pilot stage against excessive control pressure.
- Spool symbol W8, three switching positions, four ports, mounting pattern ISO 4401-08-08-0-05.
Technical data
| Conformity description | 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 | 325 l/min |
| Conformity | UKCA |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value ±10 V |
| Number of switching positions | 3 |
| Hydraulic fluid | HL |
| Number of ports | 4 |
| Electrical connection description | Connector 7-pole (6 + PE) according to EN 175201-804 |
| Spool symbol | Symbol W8 |
| 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 | 20.62 kg |
Applications
Suited to press lines and test rigs where several valves share one pilot oil supply. The external return keeps pilot control free of back pressure from filters and coolers. UKCA conformity to SI2016/1091.
Manufacturer
Bosch Rexroth, material number R901109701. Two documents are available, and the data sheet lists characteristic curves and permitted operating limits.
| Hersteller-Nr | R901109701 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.620000 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
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