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Proportional Directional Valve 4WRZ25W8-325-7X/6EG24N9ETK4/V - Bosch Rexroth R900948281
Pilot supply as well as pilot return run internally on this valve, so only the four main ports need piping. The 4WRZ25W8-325-7X meters 325 l/min nominal flow at up to 350 bar maximum operating pressure.
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Description
On a manifold with tight space every line saved counts. The 4WRZ25W8-325-7X/6EG24N9ETK4/V works with internal pilot supply as well as internal pilot return, meters 325 l/min nominal flow, weighs 20.04 kg.
Benefits
- Internal pilot oil supply plus internal pilot oil return, only four main ports to pipe
- Nominal flow 325 l/min, up to 870 l/min at maximum
- Spool symbol W8, 3 switching positions, maximum operating pressure 350 bar
- Concealed auxiliary actuation, control at 24 VDC through external electronics
- Connection diagram ISO 4401-08-08-0-05 in size 25
- FKM seals for HL hydraulic fluid, weight 20.04 kg
Application
The valve goes into press manifolds as well as test rig manifolds whose system pressure is permanently high enough for the pilot stage. At 325 l/min nominal flow large cylinders move within short cycle times. Weight 20.04 kg.
Manufacturer
Bosch Rexroth, material number R900948281, type designation 4WRZ25W8-325-7X/6EG24N9ETK4/V. Further values are given in the data sheet Proportional directional valve, pilot-operated (RE 29115) and Hydraulic valves and hydro- (RE 07600-B).
Technical data
| 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 |
| Supply voltage | 24 VDC |
| 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 | FKM |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 20.04 kg |
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900948281 |
| 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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