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When the tank line carries return oil from several consumers, pressure there fluctuates. The 4WRKE25W8-220L-3X/6EG24EK31/A1D3V therefore drains pilot oil externally and runs 220 l/min nominal flow at 350 bar.
Proportional Directional Valve 4WRKE25W8-220L-3X/6EG24EK31/A1D3V - Bosch Rexroth R901006429
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,537.81
Item
BRR-R901006429
Manufacturer no.
R901006429
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901006429
Country of originGermany
ConditionNew
Artikel
BRR-R901006429
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A fluctuating tank pressure acts back on the pilot stage when pilot oil drains through the same channel. The 4WRKE25W8-220L-3X/6EG24EK31/A1D3V draws pilot oil internally and drains it externally, with spool symbol W8 and FKM seals.
Benefits
- Internal pilot oil supply, external pilot oil return, pilot stage free of tank back pressure
- FKM seals for elevated oil temperatures
- Spool symbol W8, nominal flow 220 l/min, maximum flow 870 l/min
- Command value ±10 V, on-board electronics, 24 VDC supply
- Maximum operating pressure 350 bar, size 25, weight 17.85 kg
- Linear characteristic curve, ISO 4401-08-08-0-05 interface
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRKE |
| Type of connection | Subplate mounting |
| Nominal flow | 220 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. | 350 bar |
| Size | 25 |
| Seals | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 17.85 kg |
Application
Intended for systems with a return filter or cooler in the tank line where pressure builds up. The separate return keeps the behaviour of the pilot stage even. Subplate mounting follows ISO 4401-08-08-0-05 and takes hydraulic fluid HL.
Manufacturer
Bosch Rexroth, material number R901006429, type 4WRKE25W8-220L-3X/6EG24EK31/A1D3V.
| Hersteller-Nr | R901006429 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 17.850000 |
| 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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