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When system pressure sits above the permitted pilot pressure, the valve has to limit it itself. The 4WRZE25E1-325 carries a pressure reducing valve in its pilot stage for that and meters 325 l/min nominal flow at 350 bar from a 4 ... 20 mA command.
Proportional Directional Valve 4WRZE25E1-325-7X/6EG24ETK31/F1D3M - Bosch Rexroth R901131625
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,001.72
Item
BRR-R901131625
Manufacturer no.
R901131625
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901131625
Country of originGermany
ConditionNew
Artikel
BRR-R901131625
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A pilot-operated directional valve only works reliably while pilot pressure stays inside its window. The 4WRZE25E1-325-7X/6EG24ETK31/F1D3M solves this with an integrated pressure reducing valve while handling 325 l/min nominal flow at 350 bar operating pressure.
Benefits
- The integrated pressure reducing valve holds pilot pressure steady even as system pressure climbs to 350 bar.
- 325 l/min nominal flow against 870 l/min maximum flow, sized for large cylinders.
- Spool symbol E1 offers a defined centre condition for axes that are unloaded at standstill.
- A 4 ... 20 mA command stays clean in plants with long cable runs and powerful drives.
- Internal pilot oil supply and internal pilot oil return remove the need for extra pilot lines.
- UKCA conformity including electromagnetic compatibility to SI2016/1091.
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 E1 |
| 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 | 20.58 kg |
Applications
Intended for presses, rolling mills and test rigs at high system pressure where pilot control should not need separate protection. The valve weighs 20.58 kg and sits on an ISO 4401-08-08-0-05 pattern. UKCA conformity eases delivery of machinery into the United Kingdom.
Manufacturer
Bosch Rexroth, material number R901131625. Two manufacturer documents cover this valve, and the data sheet gives characteristic curves and limit values in detail.
| Weight | 20.580000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901131625 |
| 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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