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Anyone replacing a simple directional valve on an existing standard subplate with a controlled axis does not want to redrill the manifold. This 4WRTE manages with P, T, A and B and controls 220 l/min nominal flow at 350 bar through an internal position loop.
Proportional Directional Valve 4WRTE25W8-220L-4X/6EG24ETK31/F1M - Bosch Rexroth R901039675
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,767.36
Item
BRR-R901039675
Manufacturer no.
R901039675
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901039675
Country of originGermany
ConditionNew
Artikel
BRR-R901039675
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Converting a switched axis into a controlled one often fails on the missing pilot ports in the existing manifold. This 4WRTE needs none, because supply and return run internally, and it controls 220 l/min nominal flow at 350 bar.
Benefits
- Internal pilot routing in both directions, so the existing manifold stays unchanged.
- 220 l/min nominal flow, 870 l/min at peak, at 350 bar.
- Internal position control of the main spool turns a switched axis into a controlled one.
- Linear characteristic and 4...20 mA command for straightforward loop tuning.
- 17.92 kg on the standard 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 | 220 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 | 17.92 kg |
Applications
The version is intended for retrofitting positioning functions on existing presses, lifting gear and machine tools. System pressure must stay above the minimum pilot pressure at all times. HL hydraulic fluid is used, sealed with NBR.
Manufacturer
The manufacturer is Bosch Rexroth, material number R901039675.
| Hersteller-Nr | R901039675 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 17.920000 |
| 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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