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Proportional Directional Valve 4WRTE25W6-350L-4X/6EG24EK31/F1V - Bosch Rexroth R901464906
A 350 l/min nominal rating meets external pilot oil supply in the 4WRTE25W6-350L-4X/6EG24EK31/F1V. A large cylinder therefore travels briskly even when system pressure sags, under a 4...20 mA command at 350 bar.
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Description
Long strokes demand flow, and fluctuating system pressure must not slow the pilot stage down. The 4WRTE25W6-350L-4X/6EG24EK31/F1V combines both, with 350 l/min nominal flow at 350 bar operating pressure and an external pilot oil supply.
Benefits
- 350 l/min nominal flow, peaking at 870 l/min, for large size 25 cylinders.
- External pilot oil supply in the EK31 version makes the pilot stage independent of pressure in port P.
- A 4...20 mA current command for interference free transmission over long cables.
- Spool symbol W6, three switching positions, four ports, ISO 4401-08-08-0-05 mounting pattern.
- 350 bar operating pressure, FKM seals, 18 kg valve mass.
Application
Intended for presses and forging plants where large cylinders travel fast and pump pressure occasionally drops. The separate pilot oil line belongs in the planning. Size 25 calls for a subplate dimensioned to match.
Manufacturer
Bosch Rexroth lists this valve under material number R901464906. Seals are FKM and released for HL hydraulic fluid.
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
|---|---|
| Max. flow | 870 l/min |
| Product family | 4WRTE |
| Type of connection | Subplate mounting |
| Nominal flow | 350 l/min |
| 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 description | Connector 7-pole (6 + PE) according to EN 175201-804 |
| Spool symbol | Symbol W6 |
| 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 | 18 kg |
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901464906 |
| Zolltarifnummer | 84812010 |
| 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 control valves, pilot-operated, with electrical position feedback and integrated EN
- 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
- Regel-Wegeventile, vorgesteuert, mit elektrischer Wegrückführung und integrierter Elektronik (OBE) DE
- Wege-Schieberventile, direktgesteuert, mit Magnetbetätigung DE
- Wege-Schieberventile, vorgesteuert, mit hydraulischer oder elektro-hydraulischer Betätigung (RD 24751) DE
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