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Large axes on a central pilot pressure network do not need internal pilot supply. This version of the 4WRZE25 is piloted externally, returns pilot oil internally and sets 325 l/min nominal flow at 350 bar. The command value reaches the on-board electronics as ±10 V.
Proportional Directional Valve 4WRZE25W6-325-7X/6EG24N9TK31/A1M - Bosch Rexroth R901020002
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,593.14
Item
BRR-R901020002
Manufacturer no.
R901020002
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901020002
Country of originGermany
ConditionNew
Artikel
BRR-R901020002
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In plants with a central pilot pressure network the pilot pressure already exists and only has to be tapped. This version does exactly that, returns pilot oil internally and sets 325 l/min nominal flow at 350 bar with spool symbol W6.
Benefits
- External pilot inlet uses the pilot pressure network that the plant already has.
- Internal return saves the second control line on the manifold.
- 325 l/min nominal flow and up to 870 l/min maximum flow.
- ±10 V voltage command handled by on-board electronics at the valve.
- 350 bar operating pressure, NBR seals, HL hydraulic fluid.
Technical data
| Conformity, evidence | 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 ±10 V |
| Number of switching positions | 3 |
| Hydraulic fluid | HL |
| Number of ports | 4 |
| Electrical connection | Connector 7-pole (6 + PE) according to EN 175201-804 |
| Spool symbol | Symbol W6 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.2 kg |
Applications
This combination is found on press lines, foundry equipment and large test fields where several valves are fed from one shared pilot supply. Mounting uses the standard size 25 pattern ISO 4401-08-08-0-05. The weight is 20.2 kg.
Manufacturer
Bosch Rexroth lists this product under material number R901020002. Characteristic curves and installation dimensions are given in data sheet RE 29115 and RE 07600-B.
| Hersteller-Nr | R901020002 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.200000 |
| 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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