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A pilot-operated proportional valve needs a clean pilot pressure, otherwise its curve drifts. The 4WRZE25 carries the pressure reducing valve for that job, runs 325 l/min nominal and passes as much as 870 l/min at 350 bar.
Proportional Directional Valve 4WRZE25E1-325-7X/6EG24ETK31/A1D3V - Bosch Rexroth R901272135
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,501.90
Item
BRR-R901272135
Manufacturer no.
R901272135
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Brand new
Specialist dealer since 2009
Original product
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Product data
Manufacturer no.R901272135
Country of originGermany
ConditionNew
Artikel
BRR-R901272135
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When system pressure moves, the pilot supply of a pilot-operated valve moves with it. The 4WRZE25E1-325-7X/6EG24ETK31/A1D3V has the pressure reducing valve built in and meters flow at a nominal 325 l/min steadily up to 350 bar.
Benefits
- Pressure reducing valve built in - the pilot circuit stays independent of system pressure up to 350 bar.
- 325 l/min nominal flow, with a maximum of 870 l/min through the valve.
- Symbol E1 in size 25 with three switching positions and four ports.
- Command value ±10 V on 24 VDC, on-board electronics, 7-pole connector (6 + PE) to EN 175201-804.
- ISO 4401-08-08-0-05 interface, 20.58 kg, FKM seals for HL 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 | 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 description | Connector 7-pole (6 + PE) according to EN 175201-804 |
| Spool symbol | Symbol E1 |
| 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 | 20.58 kg |
Application
The valve drives large cylinders and hydraulic motors in presses, rolling mills and test rigs where speed and direction are set continuously. Internal pilot oil supply and internal pilot oil return save the external X and Y lines. UKCA conformity for electromagnetic compatibility is declared.
Manufacturer
Bosch Rexroth, material number R901272135, product family 4WRZ(E). Curves and mounting position are given in data sheet RE 29115 for pilot-operated proportional directional valves, with catalogue RE 07600-B as a supplement.
| Hersteller-Nr | R901272135 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.580000 |
| 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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