Proportional Directional Valve 4WRZE10E1-50-7X/6EG24N9EK31/A1M - Bosch Rexroth R901310122
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Converting a switched axis to proportional control usually leaves no dedicated pilot line. The 4WRZE10E1-50-7X/6EG24N9EK31/A1M therefore taps its pilot oil internally and routes only the pilot oil return to the outside, regulating 50 l/min nominal flow through spool symbol E1 up to 315 bar operating pressure.
Benefits
- Internal pilot oil supply with external return, only one additional line is required.
- Spool symbol E1, three switching positions, 50 l/min nominal flow in size 10.
- Version without pressure reducing valve, plus a concealed auxiliary actuation on the pilot valve.
- Operating pressure up to 315 bar, maximum flow 170 l/min.
- Analog ±10 V command value on on-board electronics, 24 VDC, weight 8.02 kg.
Technical data
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| Connection diagram | ISO 4401-05-05-0-05 |
| Max. flow | 170 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 50 l/min |
| Conformity | UKCA |
| 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 E1 |
| Operating pressure, max. | 315 bar |
| Size | 10 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 8.02 kg |
Applications
Retrofits on machine tools, presses and special purpose machines often end up with exactly this pilot arrangement. The existing size 10 manifold stays in place, only the return line is added. The electronics in the valve replace the amplifier card otherwise needed in the cabinet.
Manufacturer
The Bosch Rexroth material number is R901310122. Datasheet RE 29115 documents frequency response, pilot oil demand and port dimensions of 4WRZE10E1-50-7X/6EG24N9EK31/A1M, RE 07600-B names the approved fluids.
| Hersteller-Nr | R901310122 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 8.020000 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
| Position sensing | No |
