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A closed centre position keeps the cylinder standing still once the command value returns to zero. This internally piloted version of the 4WRZE25 combines spool symbol E with 325 l/min nominal flow at 350 bar and needs no pilot circuit of its own.
Proportional Directional Valve 4WRZE25E325-7X/6EG24ETK31/A1D3M - Bosch Rexroth R900954672
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,736.28
Item
BRR-R900954672
Manufacturer no.
R900954672
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Original product
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Product data
Manufacturer no.R900954672
Country of originGermany
ConditionNew
Artikel
BRR-R900954672
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Total price
Spool symbol E and internal piloting belong together here: the 4WRZE25E325-7X/6EG24ETK31/A1D3M draws pilot oil from the main circuit, returns it internally and meters 325 l/min nominal flow at an operating pressure of up to 350 bar.
Benefits
- Spool symbol E, centre position closed as defined by the associated switching symbol.
- Internal pilot oil supply and internal return, so piping stays limited to four lines.
- Nominal flow 325 l/min, up to 870 l/min possible through the valve.
- Operating pressure up to 350 bar, mounting pattern ISO 4401-08-08-0-05, size 25.
- Analog ±10 V command value at the on-board electronics, 24 VDC through a 7-pole connector (6 + PE).
- NBR seals for HL hydraulic fluid, mass 20.42 kg.
Technical data
| Product family | 4WRZ(E) |
| Size | 25 |
| Connection diagram | ISO 4401-08-08-0-05 |
| Type of connection | Subplate mounting |
| Nominal flow | 325 l/min |
| Max. flow | 870 l/min |
| Operating pressure, max. | 350 bar |
| Number of ports | 4 |
| Number of switching positions | 3 |
| Spool symbol | Symbol E |
| Type of actuation | Electrical with on-board electronics |
| Connectivity | Analog, command value ±10 V |
| Supply voltage | 24 VDC |
| Electrical connection description | Connector 7-pole (6 + PE) according to EN 175201-804 |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Hydraulic fluid | HL |
| Seals | NBR |
| Conformity | UKCA |
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| Weight | 20.42 kg |
Applications
The variant is used on lifting and pressing axes that must stand safely between cycles. Because the pilot stage is fed internally, the installation needs no extra pilot line. In exchange the main circuit has to stay pressurised during operation.
Manufacturer
Bosch Rexroth, material number R900954672. Switching symbol, characteristic curves and installation dimensions are in the data sheet Proportional directional valve, pilot-operated (RE 29115).
| Hersteller-Nr | R900954672 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.420000 |
| 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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