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When an axis has to move at 350 l/min and stay under closed-loop control, this valve does both. It uses the V spool, internal position feedback and a ±10 V voltage command value, with external pilot supply and internal pilot return.
Proportional Directional Valve 4WRTE25V350L-4X/6EG24TK31/A1M - Bosch Rexroth R901322880
BOSCH REXROTH
Original product
Net price (excl. VAT)
€7,036.25
Item
BRR-R901322880
Manufacturer no.
R901322880
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901322880
Country of originGermany
ConditionNew
Artikel
BRR-R901322880
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Fast cylinder motion and accurate positioning are not a contradiction on closed-loop valves. This build releases 350 l/min nominal flow and reports spool position internally, driven by a ±10 V command value.
Benefits
- Nominal flow 350 l/min for fast cylinder movement
- Internal position feedback corrects spool deviation on its own
- Command value ±10 V processed directly by the on-board electronics
- External pilot oil supply with internal return, V spool
- Operating pressure 350 bar, three switching positions, four ports
- Weight 18 kg on port pattern ISO 4401-08-08-0-05
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRTE |
| 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 V |
| 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 kg |
Application
Typical applications are servo presses, test rigs and screwdown cylinders in rolling lines. The external pilot oil supply can be fed from a dedicated filtered source. HL hydraulic fluid is supplied through a size 25 subplate.
Manufacturer
Bosch Rexroth lists this valve under material number R901322880.
| Hersteller-Nr | R901322880 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 18.000000 |
| 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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