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This variant draws its pilot oil from outside through X but returns it internally into the tank line. The pilot level therefore stays constant without a second line to the reservoir. Nominal flow is 500 l/min at 270 bar.
Proportional Directional Valve 4WRKE27W8-500L-3X/6EG24TK31/A1D3M - Bosch Rexroth R901051312
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,256.79
Item
BRR-R901051312
Manufacturer no.
R901051312
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901051312
Country of originGermany
ConditionNew
Artikel
BRR-R901051312
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The 4WRKE27W8-500L-3X/6EG24TK31/A1D3M is the mixed form of the 500 l/min series. External supply through X secures the pilot level even when the system collapses during the cycle, while the internal return saves one line. Spool symbol W8 works linearly and the command arrives as a ±10 V voltage.
Benefits
- External pilot supply through X with internal return, one line fewer at the block.
- Pilot level stays independent of the main circuit.
- Spool symbol W8 with a linear curve, 500 l/min nominal flow, up to 1000 l/min.
- ±10 V command, operating pressure to 270 bar, 24 VDC supply.
- NBR seals, 19.35 kg, mounting pattern ISO 4401-08-08-0-05.
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 1000 l/min |
| Product family | 4WRKE |
| 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 W8 |
| 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 | 19.35 kg |
Application
The valve suits presses and test rigs whose system level swings widely during the cycle and which still need repeatable switching times. Mineral oil of class HL is the intended fluid. It is wired through a 7-pole plug to EN 175201-804.
Manufacturer
Bosch Rexroth AG, material number R901051312, product family 4WRKE, size 27.
| Weight | 19.350000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901051312 |
| 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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