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Proportional Directional Valve 4WRZE25E325-7X/6EG24N9K31/A1D3V - Bosch Rexroth R900946571
Built for plants with a central pilot oil supply, since pilot feed and pilot return are both brought outside. Pilot pressure therefore stays independent of a main pressure of up to 350 bar. Nominal flow 325 l/min, spool symbol E, command value ±10 V.
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Description
Plants with a central pilot oil supply need a valve that brings both pilot feed and pilot return outside. This version does exactly that while controlling 325 l/min with spool symbol E and a ±10 V command value.
Benefits
- External pilot feed through X and external return through Y, both independent of the main circuit
- Steady pilot pressure even at 350 bar operating pressure in the main circuit
- 325 l/min nominal flow, spool symbol E, three switching positions
- ±10 V analogue command value, on-board electronics, supply 24 VDC
- Mass 20.66 kg, subplate mounting to ISO 4401-08-08-0-05
Application
Typical installations are press lines, rolling mills and test fields with their own filtered pilot pump feeding every pilot circuit. The separate supply secures reproducible step response regardless of the load cycle on the main axis. Both pilot ports have to be open in the subplate.
Manufacturer
Bosch Rexroth, material number R900946571. Characteristic curves, installation dimensions and tightening torques are documented in data sheet RE 29115, the range overview in RE 07600-B.
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 E |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.66 kg |
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900946571 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikelzustand | New |
| Artikel-Authentizität | Original product |
| Country of Manufacture | Germany |
Downloads
Datasheet
- Datasheet (PDF)
- Directional spool valves, direct operated (RE 23178) EN
- Directional spool valves, pilot-operated (RE 24751) EN
- Proportional directional valve, pilot-operated (RE 29115) EN
- Proportional-Wegeventil, vorgesteuert, ohne elektrische Wegrückführung, mit oder ohne integrierter (RD 29115) DE
- Wege-Schieberventile, direktgesteuert, mit Magnetbetätigung DE
- Wege-Schieberventile, vorgesteuert, mit hydraulischer oder elektro-hydraulischer Betätigung (RD 24751) DE
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