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Pairs spool symbol W6 with a fully internal pilot circuit, so the manifold needs no X and no Y drilling. Nominal flow is 220 l/min at an operating pressure of up to 350 bar. Control is by a ±10 V signal into the on-board electronics.
Proportional Directional Valve 4WRZE25W6-220-7X/6EG24N9ETK31/A1D3V - Bosch Rexroth R900951208
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,772.83
Item
BRR-R900951208
Manufacturer no.
R900951208
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900951208
Country of originGermany
ConditionNew
Artikel
BRR-R900951208
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When the design calls for spool symbol W6 and the manifold offers no pilot ports, this is the variant that remains. It delivers 220 l/min nominal flow, routes pilot oil internally and follows a ±10 V command value.
Benefits
- Spool symbol W6 combined with a fully internal pilot circuit
- 220 l/min nominal flow against a valve maximum of 870 l/min
- Operating pressure up to 350 bar, four ports to ISO 4401-08-08-0-05
- Command value ±10 V, supply 24 VDC through a 7-pole connector (6 + PE)
- Mass 20.62 kg, FKM seals released for HL hydraulic fluid
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 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 | 20.62 kg |
Application
The valve is used on medium-power axes whose manifold is already machined and will get no additional pilot passages. The command value normally comes from an axis controller with an analogue output. The tank line has to stay almost pressureless even at full motion.
Manufacturer
Bosch Rexroth, material number R900951208. Characteristic curves, installation dimensions and tightening torques are documented in data sheet RE 29115, the range overview in RE 07600-B.
| Hersteller-Nr | R900951208 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.620000 |
| 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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