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With symbol W8 and a nominal flow of 85 l/min, this version is laid out for brisk motions. Pilot oil is routed internally and the mass is 7.72 kg.
Proportional Directional Valve 4WRZ10W8-85-7X/6EG24N9ETK4/M - Bosch Rexroth R900978919
BOSCH REXROTH
Original product
Net price (excl. VAT)
€2,540.07
Item
BRR-R900978919
Manufacturer no.
R900978919
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900978919
Country of originGermany
ConditionNew
Artikel
BRR-R900978919
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This variant combines the spool to symbol W8 with a nominal flow of 85 l/min. As pilot oil is fed in and returned internally, the valve needs no additional lines. At maximum, 170 l/min at 315 bar are allowed.
Benefits
- Nominal flow 85 l/min, maximum flow 170 l/min
- Symbol W8 in 3 switching positions across 4 ports
- Internal pilot oil supply and internal pilot oil return, so no extra piping is needed
- Concealed auxiliary actuation for commissioning and fault finding
- Operating pressure up to 315 bar, subplate mounting to ISO 4401-05-05-0-05
- NBR seals for HL hydraulic fluid, mass 7.72 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 | 85 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 | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 7.72 kg |
Applications
The valve controls axes with high oil demand in presses, machine tools and test rigs. Internal pilot routing keeps the number of connections on the manifold low.
Manufacturer
Bosch Rexroth lists this item of product family 4WRZ(E) under material number R900978919. Dimensional drawings, characteristic curves and installation notes are given in data sheet RE 29115, the series overview is RE 07600-B.
| Weight | 7.720000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900978919 |
| 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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