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Where no separate pilot circuit exists, the valve has to supply itself. This size 27 unit draws pilot oil internally, returning it internally, at 500 l/min nominal flow with 270 bar. ±10 V command value, spool symbol E with a fine control range.
Proportional Directional Valve 4WRTE27E500P-4X/6EG24ETK31/A1M - Bosch Rexroth R901025779
BOSCH REXROTH
Original product
Net price (excl. VAT)
€7,544.05
Item
BRR-R901025779
Manufacturer no.
R901025779
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901025779
Country of originGermany
ConditionNew
Artikel
BRR-R901025779
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Internal pilot oil supply together with internal pilot oil return leave this pilot-operated proportional directional valve in size 27 ready to bolt on with no X line or Y line, while it moves 500 l/min nominal flow at 270 bar operating pressure.
Advantages
- Pilot oil taken internally, returned internally, saving two lines in the manifold.
- 500 l/min nominal flow with up to 1000 l/min maximum flow.
- ±10 V command value at the on-board electronics on a 24 VDC supply.
- Linear characteristic with a fine control range for slow approach motion.
- 19.34 kg, NBR seals, HL hydraulic fluid, ISO 4401-08-07-0-05 pattern.
Technical data
| Connection diagram | ISO 4401-08-07-0-05 |
| Max. flow | 1000 l/min |
| Product family | 4WRTE |
| Type of connection | Subplate mounting |
| Nominal flow | 500 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 E |
| Operating pressure, max. | 270 bar |
| Size | 27 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 19.34 kg |
Applications
Intended for large presses, forging plants, retrofits where the existing manifold has no separate pilot galleries. System pressure must stay above minimum pilot pressure so the spool shifts reliably.
Manufacturer
Bosch Rexroth, material number R901025779. Genuine manufacturer part, not a replica.
| Hersteller-Nr | R901025779 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 19.340000 |
| 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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