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Proportional Directional Valve 4WRKE25R3-350L-3X/6EG24K31/F1D3V - Bosch Rexroth R901014549
Hot oil and a separate pilot circuit meet in this size 25 4WRKE. FKM seals, external pilot oil supply and external pilot oil return accompany 350 l/min nominal flow at 350 bar with a linear characteristic curve and a 4 to 20 mA command value.
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Description
Warm oil calls for FKM, a fluctuating main pressure calls for a pilot source of its own. This version of the 4WRKE series brings both together and controls 350 l/min nominal flow at 350 bar linearly over the stroke.
Benefits
- FKM seals for permanently warm oil of hydraulic fluid class HL.
- External pilot oil supply and external return keep the pilot stage independent of the main circuit.
- 350 l/min nominal flow at 350 bar, flow up to 870 l/min.
- 4 to 20 mA command value on the on-board electronics, internal spool position feedback.
- Spool symbol R3, 3 switching positions, 17.84 kg installed weight.
Applications
Fits forging presses, aluminium extrusion presses and vulcanising plants with their own pilot power unit. The separate circuit keeps the pilot stage clean even when main pressure drops between cycles. Connection diagram ISO 4401-08-08-0-05.
Manufacturer
Bosch Rexroth, material number R901014549. Genuine series part from the manufacturer, not a replica. The values follow the manufacturer data record.
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
|---|---|
| Maximum flow | 870 l/min |
| Product family | 4WRKE |
| Type of connection | Subplate mounting |
| Nominal flow | 350 l/min |
| Supply voltage | 24 V DC |
| Connectivity | Analog, command value 4 to 20 mA |
| Number of switching positions | 3 |
| Hydraulic fluid | HL |
| Number of ports | 4 |
| Electrical connection | Connector, 7-pole (6 + PE) according to EN 175201-804 |
| Spool symbol | Symbol R3 |
| 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 | 17.84 kg |
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901014549 |
| 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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