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When a cylinder has to reverse within fractions of a second and still start gently, a progressive characteristic helps. This size 25 4WRLE passes up to 1250 l/min at 350 bar and measures spool position internally. The command value reaches the on-board electronics as 4...20 mA.
Proportional Directional Valve 4WRLE25R3-350SJ-4X/MPY/24F1 - Bosch Rexroth R901583318
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,104.54
Item
BRR-R901583318
Manufacturer no.
R901583318
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901583318
Country of originGermany
ConditionNew
Artikel
BRR-R901583318
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Fast reversal and gentle approach usually exclude each other on a linear characteristic, but not on a progressive one. The size 25 4WRLE uses that curve, passes up to 1250 l/min maximum flow at 350 bar and controls the main spool through internal position measurement.
Benefits
- Up to 1250 l/min maximum flow on the size 25 interface ISO 4401-08-08-0-05.
- Progressive curve combines fine approach in the small command range with a fast stroke.
- Internal position feedback of the main spool keeps the opening independent of flow forces.
- 4...20 mA command with live zero for line monitoring.
- Internal pilot supply with external pilot return, 350 bar operating pressure.
- CE conformity, on-board electronics, 24 VDC supply.
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 1250 l/min |
| Product family | 4WRLE |
| Type of connection | Subplate mounting |
| Conformity | CE |
| 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 | Connector, 7-pole (6 + PE) according to EN 175201-804 |
| Spool symbol | Symbol R3 |
| 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 | 18.58 kg |
Applications
The valve is intended for fast axes in forming machines, for servo hydraulic test benches and for plants with short cycle times. The high maximum flow allows large piston speeds without running several valves in parallel. Sealing is NBR for HL hydraulic fluid, and the valve weighs 18.58 kg.
Manufacturer
The manufacturer is Bosch Rexroth, material number R901583318.
| Hersteller-Nr | R901583318 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 18.700000 |
| 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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