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Back pressure in the return line shifts the zero point of a controlled axis. The 4WRZ10W8-50-7X/6EG24N9EK4/D3V therefore drains its pilot oil externally through Y and controls 50 l/min nominal flow with spool symbol W8. Size 10, 315 bar, mass 8.22 kg.
Proportional Directional Valve 4WRZ10W8-50-7X/6EG24N9EK4/D3V - Bosch Rexroth R900945218
BOSCH REXROTH
Original product
Net price (excl. VAT)
€3,047.99
Item
BRR-R900945218
Manufacturer no.
R900945218
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900945218
Country of originGermany
ConditionNew
Artikel
BRR-R900945218
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A return line with filter and cooler builds up back pressure that the pilot stage should not see. The 4WRZ10W8-50-7X/6EG24N9EK4/D3V is therefore relieved externally through Y and controls 50 l/min nominal flow.
Benefits
- External pilot drain through Y, back pressure in the return does not reach the pilot stage.
- Internal pilot oil supply from port P, so no separate pilot pressure source is needed.
- 50 l/min nominal flow, up to 170 l/min at 315 bar maximum operating pressure.
- Spool symbol W8 in three switching positions with four ports.
- FKM seals, concealed auxiliary actuation, mass 8.22 kg.
Technical data
| Connection diagram | ISO 4401-05-05-0-05 |
| Max. flow | 170 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 50 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. | 315 bar |
| Size | 10 |
| Seals | FKM |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 8.22 kg |
Applications
The valve is used on controlled axes of power units with long return runs. The Y line has to be routed to the tank without pressure, and control runs through external electronics at 24 V DC. Subplate mounting follows ISO 4401-05-05-0-05.
Manufacturer
Bosch Rexroth, material number R900945218, product family 4WRZ(E). Permissible back pressures at the drain are named in data sheet RE 29115.
| Hersteller-Nr | R900945218 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 8.220000 |
| 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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