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In this build the 4WRZE25W8-325 takes pilot oil internally and drains it externally to tank. Switching time therefore stays short at 325 l/min nominal flow and 350 bar even when the return line carries pressure.
Proportional Directional Valve 4WRZE25W8-325-7X/6EG24EK31/A1D3M - Bosch Rexroth R900706613
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,001.72
Item
BRR-R900706613
Manufacturer no.
R900706613
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900706613
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900706613
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On large cylinders any delay in the pilot stage translates directly into positioning error. The 4WRZE25W8-325-7X/6EG24EK31/A1D3M therefore drains pilot oil through its own line while metering 325 l/min nominal flow at 350 bar.
Benefits
- External pilot oil return keeps shifting time independent of back pressure in the working return.
- Internal pilot oil supply saves the separate feed line to the pilot stage.
- 325 l/min nominal flow against 870 l/min maximum flow, spool symbol W8.
- Analog ±10 V command at the on-board electronics with spool position feedback.
- Integrated pressure reducing valve and UKCA conformity to SI2016/1091, mass 20.62 kg.
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 large presses, lift tables and test rigs with a collecting return, return filter or oil cooler. The separated pilot oil return keeps cycle times repeatable. Mounting pattern ISO 4401-08-08-0-05, HL hydraulic fluid.
Manufacturer
Bosch Rexroth, material number R900706613. Two documents are available, and the data sheet describes characteristic curves and the required pilot pressure.
| Hersteller-Nr | R900706613 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.620000 |
| Zolltarifnummer | 84812010 |
| 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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