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For axes with a rated flow of 220 l/min and spool symbol W6, the 4WRZ25W6-220-7X/6EG24N9K4/D3V is the match. Pilot oil supply and return are external, operating pressure reaches 350 bar and the valve weighs 20.46 kg in size 25.
Proportional Directional Valve 4WRZ25W6-220-7X/6EG24N9K4/D3V - Bosch Rexroth R900957450
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,424.10
Item
BRR-R900957450
Manufacturer no.
R900957450
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900957450
Country of originGermany
ConditionNew
Artikel
BRR-R900957450
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A manifold already routes pilot oil elsewhere, so the directional valve should be fed externally as well. The 4WRZ25W6-220-7X/6EG24N9K4/D3V fits that layout, meters 220 l/min of rated flow and carries spool symbol W6.
Benefits
- Rated flow of 220 l/min in size 25, with up to 870 l/min across the valve.
- External pilot oil supply and external pilot oil return on the pilot-operated main stage.
- Spool symbol W6 with three switching positions across four ports.
- Wiring through a 7-pole connector (6 + PE) to EN 175201-804, 24 V DC supply.
- 20.46 kg, FKM seals, operating pressure up to 350 bar, connection diagram ISO 4401-08-08-0-05.
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 W6 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | FKM |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 20.46 kg |
Applications
The arrangement suits machines where several large valves are fed from the same pilot line. At 350 bar of operating pressure there is reserve for load peaks. The FKM seals suit operation with HL hydraulic fluid at raised temperature.
Manufacturer
Bosch Rexroth lists this valve under material number R900957450, product family 4WRZ(E). The complete characteristic curves and limits are given in datasheet Proportional directional valve, pilot-operated (RE 29115) and Hydraulic valves and hydro- (RE 07600-B).
| Weight | 20.460000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900957450 |
| 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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