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Back pressure in the tank gallery shifts the curve of a pilot-operated valve. This size 25 unit therefore discharges pilot oil externally while taking it internally. 220 l/min nominal flow at 350 bar, spool symbol W8, ±10 V command value.
Proportional Directional Valve 4WRZE25W8-220-7X/6EG24N9EK31/A1V - Bosch Rexroth R901054011
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,344.45
Item
BRR-R901054011
Manufacturer no.
R901054011
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901054011
Country of originGermany
ConditionNew
Artikel
BRR-R901054011
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Taking pilot oil internally saves one line while the external return still keeps the pilot stage depressurised: that pairing makes this pilot-operated proportional directional valve in size 25 predictable at 220 l/min nominal flow with 350 bar.
Advantages
- Internal pilot oil supply with external pilot oil return keeps the pilot stage free of back pressure.
- 220 l/min nominal flow at 350 bar operating pressure, rated to 870 l/min.
- ±10 V command value at the on-board electronics, no external amplifier card required.
- Concealed auxiliary actuation for setup work as well as emergency operation.
- 20.62 kg with FKM seals, HL hydraulic fluid, UKCA evidence.
Technical data
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 220 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. | 350 bar |
| Size | 25 |
| Seals | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.62 kg |
Applications
Suits test rigs, forming presses, plants with a heavily loaded tank gallery. Route the external Y port to tank without back pressure so the curve stays identical across a full cycle.
Manufacturer
Bosch Rexroth, material number R901054011. Genuine manufacturer part, not a replica. Every figure follows data sheets RE 29115 and RE 07600-B. Refer to the data sheet for characteristic curves and mounting dimensions.
| Hersteller-Nr | R901054011 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.620000 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
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