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Internal pilot supply saves one line while the external return still keeps the pilot chamber clear of tank pressure. The 4WRZ25W8-220-7X offers that combination at 220 l/min nominal flow, weighing 18.2 kg.
Proportional Directional Valve 4WRZ25W8-220-7X/6EG24N9EK4/V - Bosch Rexroth R900943859
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,462.19
Item
BRR-R900943859
Manufacturer no.
R900943859
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900943859
Country of originGermany
ConditionNew
Artikel
BRR-R900943859
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Between fully internal routing plus fully external routing sits the variant that separates only the drain. The 4WRZ25W8-220-7X/6EG24N9EK4/V takes pilot oil from the P channel, drains it through a port of its own, working at 220 l/min nominal flow.
Benefits
- Internal pilot oil supply, external pilot oil return, one line fewer than the fully external build
- Nominal flow 220 l/min, maximum flow 870 l/min
- Spool symbol W8, 3 switching positions, 4 ports
- Maximum operating pressure 350 bar, size 25
- External electronics, 24 VDC, concealed auxiliary actuation
- FKM seals, weight 18.2 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 | 18.2 kg |
Application
This build fits machines whose system pressure is permanently sufficient while the tank line carries back pressure. The separate drain keeps the null position of the axis steady even when other actuators drain at the same time. Nominal flow 220 l/min.
Manufacturer
Bosch Rexroth, material number R900943859, type designation 4WRZ25W8-220-7X/6EG24N9EK4/V. Further values are given in the data sheet Proportional directional valve, pilot-operated (RE 29115) and Hydraulic valves and hydro- (RE 07600-B).
| Weight | 18.200000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900943859 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikelzustand | New |
| Artikel-Authentizität | Original product |
| Country of Manufacture | Germany |
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