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Plants with their own pilot pump feed their valves through a shared X line. This size 27 valve is laid out for that, accepts 4...20 mA and controls 500 l/min nominal flow at 270 bar, with peaks to 1000 l/min.
Proportional Directional Valve 4WRKE27W8-500L-3X/6EG24K31/F1D3M - Bosch Rexroth R901072883
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,709.09
Item
BRR-R901072883
Manufacturer no.
R901072883
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901072883
Country of originGermany
ConditionNew
Artikel
BRR-R901072883
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On the 4WRKE27W8-500L-3X/6EG24K31/F1D3M both pilot supply and pilot return come from outside, through X and Y. The pilot level is therefore fixed whatever the main circuit does, and switching times stay the same even when the system collapses under load. Spool symbol W8 works linearly, with 500 l/min nominal flow and peaks to 1000 l/min.
Benefits
- External pilot supply through X and external return through Y for constant switching times.
- Spool symbol W8 with a linear curve at 500 l/min nominal flow.
- Up to 1000 l/min flow at operating pressures to 270 bar.
- 4...20 mA command input, immune to interference over long cable runs.
- NBR seals, 19.74 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 4...20 mA |
| 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 | 19.74 kg |
Application
It serves large hydraulic plants with a separate pilot supply, such as press lines and rolling mills. Mineral oil of class HL is intended. The on-board electronics run on 24 VDC and are wired through a 7-pole plug to EN 175201-804.
Manufacturer
Bosch Rexroth AG, material number R901072883, product family 4WRKE, size 27.
| Hersteller-Nr | R901072883 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 19.740000 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
| Position sensing | No |
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