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With 350 l/min rated flow and a peak of 870 l/min, this pilot-operated size 25 proportional valve covers large cylinder axes. It runs spool symbol W6, on-board electronics and a ±10 V command value at up to 350 bar operating pressure.
Proportional Directional Valve 4WRDE25W6-350L-6X/MXY/24A5 - Bosch Rexroth R901579894
BOSCH REXROTH
Original product
Net price (excl. VAT)
€7,605.23
Item
BRR-R901579894
Manufacturer no.
R901579894
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901579894
Country of originGermany
ConditionNew
Artikel
BRR-R901579894
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Moving large cylinders quickly and still under control takes flow capacity plus spool position feedback. The 4WRDE25W6-350L-6X/MXY/24A5 supplies 350 l/min rated flow, passes 870 l/min at peak and holds the main spool on the ±10 V command through internal position feedback.
Benefits
- 350 l/min rated flow and up to 870 l/min maximum flow in size 25
- Internal main spool position feedback for repeatable positioning
- On-board electronics, ±10 V command value, 24 VDC supply
- Operating pressure up to 350 bar, port pattern ISO 4401-08-08-0-05
- External pilot oil supply and external pilot oil return, independent of main pressure
- NBR seals, spool symbol W6, weight 25.24 kg
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRDE |
| Type of connection | Subplate mounting |
| Nominal flow | 350 l/min |
| 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 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 | 25.24 kg |
Applications
Valves of this class sit on press cylinders, roll adjustment drives and large test axes where several hundred litres per minute must be metered. External pilot supply keeps the pilot stage fed even when main pressure drops during the cycle. At 25.24 kg the valve needs a correspondingly solid subplate.
Manufacturer
Bosch Rexroth, material number R901579894, product family 4WRDE. The type designation states size 25, spool symbol W6 and the 350 rating, which pins the build down exactly.
| Hersteller-Nr | R901579894 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 25.240000 |
| 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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