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A pilot drain routed straight to tank protects the pilot stage when manifold return pressure fluctuates. This version of the 4WRZE 10 takes pilot oil internally, drains it externally and controls 50 l/min at 315 bar with FKM seals.
Proportional Directional Valve 4WRZE10W8-50-7X/6EG24EK31/A1V - Bosch Rexroth R901405882
BOSCH REXROTH
Original product
Net price (excl. VAT)
€3,579.89
Item
BRR-R901405882
Manufacturer no.
R901405882
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901405882
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901405882
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When return pressure rises inside the manifold, the null position of the pilot stage shifts. This version therefore drains pilot oil separately to the outside while the supply stays internal. Controlled flow is 50 l/min nominal at 315 bar.
Benefits
- 50 l/min nominal flow and 170 l/min maximum flow at 315 bar operating pressure.
- Internal pilot oil supply with external pilot oil drain, keeping pilot pressure independent of main circuit tank pressure.
- Version without a pressure reducing valve in the pilot circuit, rated for 315 bar system pressure.
- FKM seals, HL hydraulic fluid, ±10 V command value through on-board electronics.
- 8.38 kg weight, spool symbol W8, ISO 4401-05-05-0-05 interface.
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 W8 |
| Operating pressure, max. | 315 bar |
| Size | 10 |
| Seals | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 8.38 kg |
Applications
Sensible on manifolds with a long shared tank gallery where the return carries pressure. Power units of presses and injection moulding machines are the typical place. 50 l/min covers mid range cylinders in size 10.
Manufacturer
Bosch Rexroth, material number R901405882. Series part from the manufacturer, not a replica. Full characteristic curves are in data sheet RE 29115, with overview RE 07600-B alongside.
| Weight | 8.380000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901405882 |
| 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 |
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