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Out of an unpressurised state an axis can only be moved if the pilot stage has its own supply. The 4WRZ25W6-325-7X/6EG24N9TK4/V receives pilot oil from outside, returns it internally and meters 325 l/min nominal flow.
Proportional Directional Valve 4WRZ25W6-325-7X/6EG24N9TK4/V - Bosch Rexroth R900953921
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,170.19
Item
BRR-R900953921
Manufacturer no.
R900953921
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900953921
Country of originGermany
ConditionNew
Artikel
BRR-R900953921
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At start-up the main channel carries no pressure that could feed a pilot stage. The 4WRZ25W6-325-7X/6EG24N9TK4/V therefore draws pilot oil from a dedicated line and afterwards meters 325 l/min nominal flow through spool symbol W6.
Benefits
- Pilot oil supplied externally, returned internally, the valve can shift before pressure builds.
- 325 l/min nominal flow, with up to 870 l/min passing the main stage.
- Spool symbol W6 with 3 switching positions across 4 ports, size 25.
- 350 bar maximum operating pressure on the ISO 4401-08-08-0-05 interface.
- 19.98 kg weight, FKM seals, concealed auxiliary actuation, 24 VDC supply.
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 W6 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | FKM |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 19.98 kg |
Applications
This version is needed on plants that must travel from standstill into a defined position, such as lifting gear with load holding. The pilot power unit starts before the main pump and provides pilot pressure. An internal pressure reducing valve is not fitted.
Manufacturer
Bosch Rexroth, material number R900953921. Characteristic curves, step response and installation dimensions appear in data sheet RE 29115, supplemented by catalogue RE 07600-B.
| Weight | 19.980000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900953921 |
| 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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