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Proportional Directional Valve 4WRKE25W6-220L-3X/6EG24K31/A1D3V - Bosch Rexroth R901108789
Systems with a dedicated pilot circuit need a valve that takes pilot oil externally and returns it externally. The 4WRKE25W6-220L-3X does exactly that while regulating 220 l/min nominal flow from a ±10 V command value, with spool symbol W6 and 350 bar permissible operating pressure.
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Description
Systems with a separate, pressure-controlled pilot circuit call for a valve whose pilot oil arrives from outside and is returned outside. This size 25 proportional valve is built that way, processes the ±10 V command value with on-board electronics and sets the spool to symbol W6 at 220 l/min nominal flow.
Benefits
- External pilot oil supply and external pilot oil return for systems with a separate pilot circuit
- 220 l/min nominal flow, up to 870 l/min permitted across the valve
- ±10 V command value, 24 VDC supply, on-board electronics at the valve
- Spool symbol W6 with a linear characteristic curve, three switching positions, four ports
- FKM seals, operating pressure up to 350 bar, weight 17.78 kg
Applications
The valve goes into press hydraulics and test equipment where a central pilot stage feeds several axes. It sits on a port pattern to ISO 4401-08-08-0-05. Electrical connection is through a 7-pole (6 + PE) connector to EN 175201-804.
Manufacturer
Bosch Rexroth assigns material number R901108789 to this valve.
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
|---|---|
| Max. flow | 870 l/min |
| Product family | 4WRKE |
| Type of connection | Subplate mounting |
| Nominal flow | 220 l/min |
| 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 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 | 17.78 kg |
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901108789 |
| 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 directional valves, pilot-operated, with electrical position feedback and integrated EN
- Proportional-Wegeventil, vorgesteuert, ohne elektrische Wegrückführung, mit oder ohne integrierter (RD 29115) DE
- Proportional-Wegeventile, vorgesteuert, mit elektrischer Wegrückführung und integrierter Elektronik (RD 29075) DE
- Wege-Schieberventile, direktgesteuert, mit Magnetbetätigung DE
- Wege-Schieberventile, vorgesteuert, mit hydraulischer oder elektro-hydraulischer Betätigung (RD 24751) DE
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