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For size 25 drives that call for 325 l/min under stepless control and take pilot pressure from a dedicated supply. Pilot oil flows back to tank internally, so no extra Y line is required. Command input is 4-20 mA, operating pressure reaches 350 bar and the mass is 20.6 kg.
Proportional Directional Valve 4WRZE25W6-325-7X/6EG24N9TK31/F1D3V - Bosch Rexroth R901070153
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,772.83
Item
BRR-R901070153
Manufacturer no.
R901070153
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901070153
Country of originGermany
ConditionNew
Artikel
BRR-R901070153
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Total price
Once an axis of size 25 asks for more than 300 l/min under stepless control, the layout of the pilot circuit becomes the deciding detail. This valve works at 325 l/min nominal flow, draws its pilot oil from a separate external supply and returns it internally to tank.
Benefits
- 325 l/min nominal flow, with up to 870 l/min possible on the valve side
- External pilot oil supply holds pilot pressure steady even while operating pressure swings up to 350 bar
- Internal pilot oil return saves the separate Y line on the manifold
- Spool symbol W6, three switching positions, four ports to ISO 4401-08-08-0-05
- Command value 4-20 mA on 24 VDC on-board electronics, mass 20.6 kg
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 | 325 l/min |
| Conformity | UKCA |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value 4-20 mA |
| 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, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.6 kg |
Application
The valve serves presses, rolling mill drives and large test rigs where several axes share one common pilot supply. Internal return is permissible as long as tank pressure in the main circuit stays low enough. At 20.6 kg it is one of the more compact spool valves in its size class.
Manufacturer
The manufacturer is Bosch Rexroth and the material number is R901070153. Data sheet RE 29115 carries all characteristic curves and installation data, complemented by overview RE 07600-B.
| Hersteller-Nr | R901070153 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.600000 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
| Position sensing | No |
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