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On rebuilds of large presses the pilot oil routing has to match the existing manifold. This 4WRZ25W6-325 runs on an internal pilot oil supply with an external pilot oil return, carries 325 l/min nominal flow and holds 350 bar maximum operating pressure.
Proportional Directional Valve 4WRZ25W6-325-7X/6EG24N9EK4/M - Bosch Rexroth R900977993
BOSCH REXROTH
Original product
Net price (excl. VAT)
€3,791.09
Item
BRR-R900977993
Manufacturer no.
R900977993
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900977993
Country of originGermany
ConditionNew
Artikel
BRR-R900977993
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A pilot-operated proportional directional valve only drops into an existing manifold when the spool symbol and the pilot oil path agree. The 4WRZ25W6-325-7X/6EG24N9EK4/M carries symbol W6 at 325 l/min nominal flow, the pilot supply is internal and the return is external.
Benefits
- Spool symbol W6, 3 switching positions, 325 l/min nominal flow
- Internal pilot oil supply, external pilot oil return, no pressure reducing valve
- Flow up to 870 l/min, maximum operating pressure 350 bar
- ISO 4401-08-08-0-05 interface in size 25, subplate mounting
- Driven by external electronics, 24 VDC supply, 7-pole connector (6 + PE) to EN 175201-804
- Concealed auxiliary actuation for commissioning
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 W6 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 19.96 kg |
Applications
For presses, injection moulding machines and test rigs whose main axis calls for around 325 l/min at system pressures up to 350 bar. The version suits plants that already return pilot oil separately, because the return is routed externally. Weight 19.96 kg, NBR seals for HL fluid.
Manufacturer
Bosch Rexroth, material number R900977993, type 4WRZ25W6-325-7X/6EG24N9EK4/M. Datasheet RE 29115, overview RE 07600-B.
| Hersteller-Nr | R900977993 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 19.960000 |
| 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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