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Roll gaps have to stay stable against back pressure. The 4WRKE10W8-50L-3X/6EG24EK31/F1D3M controls 50 l/min nominal flow, takes pilot oil internally and drains it externally, guided by a 4...20 mA command.
Proportional Directional Valve 4WRKE10W8-50L-3X/6EG24EK31/F1D3M - Bosch Rexroth R901225987
BOSCH REXROTH
Original product
Net price (excl. VAT)
€3,765.92
Item
BRR-R901225987
Manufacturer no.
R901225987
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901225987
Country of originGermany
ConditionNew
Artikel
BRR-R901225987
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A roll gap only adjusts repeatably when the pilot stage is not dragged along by return pressure. The 4WRKE10W8-50L-3X/6EG24EK31/F1D3M therefore separates the pilot drain and works with 50 l/min nominal flow.
Benefits
- 50 l/min nominal flow, up to 170 l/min in size 10.
- Pilot oil supplied internally, drained externally, the pilot return is separated from the main return.
- 4...20 mA command with a linear characteristic curve and internal spool feedback.
- 315 bar maximum operating pressure, spool symbol W8, three switching positions.
- 8.32 kg, wired through a 7-pole (6 + PE) plug to EN 175201-804.
Technical data
| Connection diagram | ISO 4401-05-05-0-05 |
| Max. flow | 170 l/min |
| Product family | 4WRKE |
| Type of connection | Subplate mounting |
| Nominal flow | 50 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. | 315 bar |
| Size | 10 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 8.32 kg |
Applications
The valve is used on roll adjustment, calenders and strip guides where short travels must be held accurately. It equally serves test rigs with a long return path. When exchanging a unit, keep to the same pilot variant.
Manufacturer
Bosch Rexroth, material number R901225987. The type code 4WRKE10W8-50L-3X/6EG24EK31/F1D3M states 50 l/min nominal flow, spool symbol W8 and internal pilot supply with external return.
| Hersteller-Nr | R901225987 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 8.311000 |
| 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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