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If the manifold has no separate pilot supply line, internal pilot oil pick-up solves it. The 4WRZ25W9-220-7X/6EG24N9EK4/D3M returns the pilot oil externally, moves 220 l/min nominal flow and takes 350 bar operating pressure at 20.44 kg.
Proportional Directional Valve 4WRZ25W9-220-7X/6EG24N9EK4/D3M - Bosch Rexroth R901462219
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,109.52
Item
BRR-R901462219
Manufacturer no.
R901462219
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901462219
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901462219
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A large cylinder should accelerate steplessly although the manifold provides no separate pilot supply port. The 4WRZ25W9-220-7X/6EG24N9EK4/D3M takes its pilot oil internally and returns it externally, at 220 l/min nominal flow in size 25.
Benefits
- Nominal flow 220 l/min in size 25, flow up to 870 l/min.
- Spool symbol W9 with three switching positions across four ports.
- Internal pilot oil supply, External pilot oil return, fixed in the type code.
- Integrated pressure reducing valve keeps the pilot stage at constant pressure.
- Concealed auxiliary actuation for commissioning without a control signal.
- 350 bar operating pressure, 20.44 kg, NBR seals, 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 W9 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 20.44 kg |
Applications
The valve controls large cylinders and hydraulic motors where the flow of a direct actuated valve is no longer enough. Presses, rolling mills and test benches with high oil demand are typical places. The control electronics sit in the cabinet and can be parametrised centrally there.
Manufacturer
Bosch Rexroth lists this valve under material number R901462219. Characteristic curves, installation dimensions and tightening torques are in data sheet RE 29115.
| Hersteller-Nr | R901462219 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.440000 |
| Zolltarifnummer | 84812010 |
| 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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