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A replacement valve for installations without pilot ports has to supply and drain its pilot stage on its own. This version does that and still delivers 350 l/min nominal flow with spool symbol W6, plus minus 10 V command, size 25, up to 350 bar.
Proportional Directional Valve 4WRKE25W6-350L-3X/6EG24ETK31/A1D3M - Bosch Rexroth R900249275
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,802.89
Item
BRR-R900249275
Manufacturer no.
R900249275
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900249275
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900249275
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Older valve stations were frequently built without separate pilot drillings, and a replacement has to live with that. The 4WRKE25W6-350L-3X/6EG24ETK31/A1D3M feeds and drains pilot oil internally and still puts 350 l/min nominal flow at 350 bar onto the axis.
Key benefits
- Internal pilot oil supply and internal return, suitable for manifolds without pilot drillings.
- 350 l/min nominal flow with spool symbol W6, maximum flow 870 l/min.
- Operating pressure up to 350 bar, size 25, connection pattern ISO 4401-08-08-0-05, 3 switching positions.
- Plus minus 10 V command, 24 VDC supply through a 7-pole connector (6 + PE) to EN 175201-804.
- Internal spool position feedback, linear characteristic curve, 4 ports.
- 17.88 kg weight, NBR seals for HL hydraulic fluid.
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 | 350 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 W6 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 17.88 kg |
Applications
Meant for swaps in established installations where the subplate is to stay untouched. Because the valve serves its own pilot circuit, no rework on the block is required. Nominal flow of 350 l/min covers main axes on presses, hoists and forming machines.
Manufacturer
Bosch Rexroth, material number R900249275. The type code 4WRKE25W6-350L-3X/6EG24ETK31/A1D3M states size 25, spool symbol W6, 350 l/min nominal flow and series 3X.
| Hersteller-Nr | R900249275 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 17.880000 |
| Zolltarifnummer | 84812010 |
| 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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