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Decoupling the pilot stage from working pressure means feeding and relieving it externally. That is how this size 25 valve is built. Internal spool position feedback holds the spool on target through load changes, at 350 l/min nominal flow, 350 bar and a ±10 V command value.
Proportional Directional Valve 4WRDE25W8-350L-6X/MXYWG/24A5 - Bosch Rexroth R901553363
BOSCH REXROTH
Original product
Net price (excl. VAT)
€8,192.77
Item
BRR-R901553363
Manufacturer no.
R901553363
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901553363
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901553363
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Load changes push a spool without feedback away from its target position. This size 25 valve measures that position internally and is actuated from a dedicated pilot circuit, at 350 l/min nominal flow and up to 350 bar.
Key benefits
- Internal spool position feedback, with the control deviation corrected in the on-board electronics
- External pilot oil supply and external return, keeping shifting behaviour separate from working pressure
- 350 l/min nominal flow at 350 bar, with flow up to 870 l/min
- Command value ±10 V, 24 V DC supply, 7-pole connector (6 + PE) to EN 175201-804
- Spool symbol W8, mounting pattern ISO 4401-08-08-0-05, 3 switching positions, 17.5 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 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 | 17.5 kg |
Applications
Intended for forming presses and test rigs with strongly varying cylinder load. The separate pilot circuit permits function tests before the main drive runs. Both pilot lines have to be provided on the subplate.
Manufacturer
Manufactured by Bosch Rexroth under material number R901553363. Characteristic curves, installation dimensions and tightening torques are covered by the manufacturer documentation issued with that material number.
| Hersteller-Nr | R901553363 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 3.580000 |
| Zolltarifnummer | 84812010 |
| 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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