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A separate pilot supply keeps the pilot stage independent of a swinging main pressure. The 4WRZ25W9-325-7X/6EG24N9K4/D3M works with external supply and external return, moves 325 l/min nominal flow and weighs 20.52 kg.
Proportional Directional Valve 4WRZ25W9-325-7X/6EG24N9K4/D3M - Bosch Rexroth R900768316
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,568.92
Item
BRR-R900768316
Manufacturer no.
R900768316
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900768316
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900768316
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If system pressure in the main circuit swings widely, the pilot stage should stay independent of it. The 4WRZ25W9-325-7X/6EG24N9K4/D3M draws its pilot oil externally and returns it externally, at 325 l/min nominal flow.
Benefits
- Nominal flow 325 l/min in size 25, flow up to 870 l/min.
- Spool symbol W9 with three switching positions across four ports.
- External 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, 20.52 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 | 325 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 | 20.52 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 R900768316. Characteristic curves, installation dimensions and tightening torques are in data sheet RE 29115.
| Hersteller-Nr | R900768316 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.520000 |
| Zolltarifnummer | 84812010 |
| 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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