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Short cycle times come not only from flow, but also from short paths inside the manifold. This 4WRTE routes its pilot oil entirely internally and converts 350 l/min nominal flow at 350 bar. The position of the main spool is controlled internally.
Proportional Directional Valve 4WRTE25W8-350L-4X/6EG24ETK31/F1M - Bosch Rexroth R901121430
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,767.36
Item
BRR-R901121430
Manufacturer no.
R901121430
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901121430
Country of originGermany
ConditionNew
Artikel
BRR-R901121430
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Short cycle times depend not only on flow, but also on how much oil has to be moved in the pilot circuit. This 4WRTE routes pilot oil entirely internally and puts 350 l/min nominal flow at 350 bar onto the axis.
Benefits
- 350 l/min nominal flow at 350 bar, maximum flow 870 l/min.
- Internal pilot supply and internal return keep the pilot circuit short.
- Internal position control of the main spool secures the setting against flow forces.
- Linear characteristic with a 4...20 mA command and on-board electronics.
- 18.04 kg on the ISO 4401-08-08-0-05 interface.
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 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 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 | 18.04 kg |
Applications
The valve is used on presses and test benches with a high cycle count and on axes that reverse frequently. Internal piloting requires a system pressure above the minimum pilot pressure. Sealing is NBR for HL hydraulic fluid.
Manufacturer
The manufacturer is Bosch Rexroth, material number R901121430.
| Weight | 18.040000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901121430 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikelzustand | New |
| Artikel-Authentizität | Original product |
| Country of Manufacture | Germany |
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