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This size 32 version needs no external pilot lines at all, because both pilot supply and pilot return run internally. It meters 520 l/min nominal flow at 350 bar, carries spool symbol W9, weighs 40.2 kg and offers a concealed manual override.
Proportional Directional Valve 4WRZ32W9-520-7X/6EG24N9ETK4/M - Bosch Rexroth R901050898
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,419.95
Item
BRR-R901050898
Manufacturer no.
R901050898
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901050898
Country of originGermany
ConditionNew
Artikel
BRR-R901050898
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In densely populated size 32 valve blocks there is rarely room for additional pilot drillings. The 4WRZ32W9-520-7X/6EG24N9ETK4/M solves that with internal pilot oil supply and internal return, and still provides 520 l/min nominal flow.
Key benefits
- Pilot oil fed and drained internally, the subplate needs no pilot drillings.
- 520 l/min nominal flow, maximum flow 1600 l/min, operating pressure up to 350 bar.
- Spool symbol W9, 3 switching positions, 4 ports, connection pattern ISO 4401-10-09-0-05.
- 40.2 kg weight in size 32, NBR seals for HL hydraulic fluid.
- Concealed manual override for commissioning and emergency travel, without pilot pressure reducing valve.
- Driven by external electronics, 24 VDC supply, 3-pole connector (2 + PE).
Technical data
| Connection diagram | ISO 4401-10-09-0-05 |
| Max. flow | 1600 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 520 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 W9 |
| Operating pressure, max. | 350 bar |
| Size | 32 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 40.2 kg |
Applications
Meant for retrofits on blocks whose drilling pattern is not to be changed again. A closed pilot circuit shortens assembly and reduces the number of sealing points. With 520 l/min nominal flow the valve suits main cylinders on presses and hoists.
Manufacturer
Bosch Rexroth, material number R901050898. Characteristic curves, performance limit and mounting dimensions are given in the data sheet for type 4WRZ32W9-520-7X/6EG24N9ETK4/M.
| Hersteller-Nr | R901050898 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 40.200000 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
| Position sensing | No |
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