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Without external pilot lines the piping on the manifold stays simple. The 4WRZ25W8-325-7X/6EG24N9ETK4/D3V feeds and relieves its pilot stage internally and still carries 325 l/min nominal flow at 350 bar operating pressure.
Proportional Directional Valve 4WRZ25W8-325-7X/6EG24N9ETK4/D3V - Bosch Rexroth R900945912
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,716.08
Item
BRR-R900945912
Manufacturer no.
R900945912
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900945912
Country of originGermany
ConditionNew
Artikel
BRR-R900945912
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Two lines fewer on the manifold and in the cabinet: the 4WRZ25W8-325-7X/6EG24N9ETK4/D3V feeds and relieves its pilot stage internally. The main channel carries 325 l/min nominal flow, the ISO 4401-08-08-0-05 hole pattern stays unchanged.
Advantages
- Pilot oil fed and drained internally, neither a pilot pump nor a separate drain line is needed.
- 325 l/min nominal flow, 870 l/min limit at 350 bar operating pressure.
- 20.3 kg mass, spool symbol W8, three switching positions and concealed auxiliary actuation.
- 350 bar operating pressure on connection diagram ISO 4401-08-08-0-05 of size 25.
- 24 VDC supply, wiring per Connector, 7-pole (6 + PE) according to EN 175201-804.
- HL grade fluid with FKM seals, 20.3 kg mass.
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 W8 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | FKM |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 20.3 kg |
Applications
The variant suits compact control manifolds where every extra bore costs space. It requires a tank port with low back pressure, because the pilot drain joins in there. In existing plant it replaces identical units of the same pilot variant.
Manufacturer
Bosch Rexroth lists this item under material number R900945912. Curves and dimensions are documented in data sheet RE 29115.
| Hersteller-Nr | R900945912 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.300000 |
| 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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