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If pilot pressure exceeds what the pilot stage may take, a pressure reducing valve belongs in front of it. The 4WRZ25W8-220 brings one along, runs on external supply with internal return and meters 220 l/min. Spool symbol W8.
Proportional Directional Valve 4WRZ25W8-220-7X/6EG24N9TK4/D3V - Bosch Rexroth R901239775
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,716.08
Item
BRR-R901239775
Manufacturer no.
R901239775
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901239775
Country of originGermany
ConditionNew
Artikel
BRR-R901239775
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When the available pilot pressure is higher than the pilot stage tolerates, a pressure reducing valve belongs in front of it. The 4WRZ25W8-220-7X/6EG24N9TK4/D3V carries one, is fed externally and drains its return internally.
Benefits
- Pressure reducing valve in the pilot stage, external supply, internal return
- Nominal flow 220 l/min, maximum flow 870 l/min
- Spool symbol W8, three switching positions across four ports
- Pilot-operated spool valve with concealed auxiliary actuation
- Maximum operating pressure 350 bar, FKM seals, weight 20.44 kg
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 220 l/min |
| Supply voltage | 24 VDC |
| 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, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 20.44 kg |
Applications
Intended for plants whose pilot pressure supply sits above what the pilot stage tolerates, such as high pressure power units. The internal return saves a line to tank. Control through external electronics, 24 VDC supply.
Manufacturer
Bosch Rexroth, material number R901239775, type 4WRZ25W8-220-7X/6EG24N9TK4/D3V. Design and characteristic curves are in the data sheet Proportional directional valve, pilot-operated RE 29115.
| Hersteller-Nr | R901239775 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.440000 |
| 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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