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When several axes drain into the same tank line at once, the pressure there rises. This size 27 valve therefore routes its pilot return externally and works with a 4...20 mA current command, at 500 l/min nominal flow and 270 bar.
Proportional Directional Valve 4WRKE27W8-500L-3X/6EG24EK31/F1D3M - Bosch Rexroth R901097952
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,256.79
Item
BRR-R901097952
Manufacturer no.
R901097952
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
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Product data
Manufacturer no.R901097952
Country of originGermany
ConditionNew
Artikel
BRR-R901097952
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The 4WRKE27W8-500L-3X/6EG24EK31/F1D3M takes pilot oil internally and returns it to tank through a dedicated Y line. That keeps the pilot stage clear of the return level in the main circuit. Spool symbol W8 passes 500 l/min nominal flow, 1000 l/min maximum, at operating pressures to 270 bar.
Benefits
- External pilot return through Y, independent of the level in the tank line.
- Internal pilot supply, so no separate feed line is needed.
- Spool symbol W8 with a linear curve and 500 l/min nominal flow.
- 4...20 mA command input, operating pressure to 270 bar, 1000 l/min maximum.
- NBR seals, 19.52 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 | 19.52 kg |
Application
Typical plants are press lines and test rigs with several consumers working in parallel on one shared return manifold. Mineral oil of class HL is the intended fluid. Control runs through a 7-pole plug to EN 175201-804.
Manufacturer
Bosch Rexroth AG, material number R901097952, product family 4WRKE, size 27.
| Hersteller-Nr | R901097952 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 19.520000 |
| 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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