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Proportional Directional Valve 4WRZ25E1-325-7X/6EG24N9TK4/M - Bosch Rexroth R901055916
Larger cylinders need more oil per stroke. The 4WRZ25E1-325-7X/6EG24N9TK4/M delivers 325 l/min nominal flow in size 25 and draws its pilot oil externally so that control pressure stays independent of the main circuit.
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Description
Anyone who wants to drive an axis at 325 l/min nominal flow without moving up to size 32 has a fitting choice in the 4WRZ25E1-325-7X/6EG24N9TK4/M. It sits on the ISO 4401-08-08-0-05 pattern and is supplied with pilot oil externally.
Benefits
- 325 l/min nominal flow with flow up to 870 l/min, spool symbol E1.
- External pilot supply, internal return, control pressure comes from a dedicated source.
- Size 25 on ISO 4401-08-08-0-05, four ports, three switching positions.
- 19.88 kg weight at 350 bar maximum operating pressure, NBR seals, HL hydraulic fluid.
- Concealed auxiliary actuation, commanded at 24 VDC through an external amplifier.
Applications
The valve drives cylinders on presses, forging plants and large lifting equipment where stroke speed is set through flow. An external pilot circuit makes it possible to fix control pressure and filtration grade independently of working pressure.
Manufacturer
Bosch Rexroth, material number R901055916. Flow characteristics and pilot data are given in data sheet RE 29115, the range overview in 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 E1 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 19.88 kg |
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901055916 |
| 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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