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Large cylinders paired with a pressurised return line: for that case this 4WRZE25W8-325 combines 325 l/min nominal flow with internal pilot oil supply and external return. Command 4 ... 20 mA, operating pressure 350 bar.
Proportional Directional Valve 4WRZE25W8-325-7X/6EG24EK31/F1D3M - Bosch Rexroth R901004115
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,001.72
Item
BRR-R901004115
Manufacturer no.
R901004115
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901004115
Country of originGermany
ConditionNew
Artikel
BRR-R901004115
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The larger the cylinder, the more a delayed pilot stage shows up in positioning accuracy. The 4WRZE25W8-325-7X/6EG24EK31/F1D3M therefore drains pilot oil externally while providing 325 l/min nominal flow at 350 bar.
Benefits
- 325 l/min nominal flow, 870 l/min at maximum, for fast strokes on large cylinders.
- External pilot oil return keeps the pilot stage clear of back pressure in the working return.
- Internal pilot oil supply cuts the piping work by one line.
- A 4 ... 20 mA current command for robust signal transmission over long distances.
- The integrated pressure reducing valve protects the pilot stage, valve mass 20.72 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 W8 |
| 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 | 20.72 kg |
Applications
Intended for forming presses, lift tables and test rigs with high oil demand and a long return path. Spool symbol W8 provides defined behaviour in centre position. UKCA conformity, NBR seals, HL hydraulic fluid.
Manufacturer
Bosch Rexroth, material number R901004115. Two manufacturer documents exist, and the data sheet covers characteristic curves and pilot pressure data.
| Hersteller-Nr | R901004115 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.720000 |
| 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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