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On a retrofit the pressure in an existing pilot circuit is not always known. The 4WRZ25W6-325-7X/6EG24N9K4/D3M limits it itself and hangs on that circuit with both supply and return. 325 l/min nominal flow, 20.85 kg weight.
Proportional Directional Valve 4WRZ25W6-325-7X/6EG24N9K4/D3M - Bosch Rexroth R900958570
BOSCH REXROTH
Original product
Net price (excl. VAT)
€3,617.52
Item
BRR-R900958570
Manufacturer no.
R900958570
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900958570
Country of originGermany
ConditionNew
Artikel
BRR-R900958570
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Anyone tying a valve into an existing pilot circuit does not always know its pressure level exactly. The 4WRZ25W6-325-7X/6EG24N9K4/D3M removes that uncertainty because it limits control pressure internally, and it controls 325 l/min nominal flow.
Benefits
- Internal pressure limiting of the pilot stage, the existing circuit pressure does not have to be adjusted.
- External supply and external return, working circuit and pilot circuit stay separate.
- 325 l/min nominal flow, flow up to 870 l/min, spool symbol W6 in size 25.
- 20.85 kg weight, 350 bar maximum operating pressure, ISO 4401-08-08-0-05 pattern.
- Concealed auxiliary actuation, commanded at 24 VDC through an external amplifier.
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 | 20.85 kg |
Applications
The valve is used when existing plants are extended by a controlled axis, for example on press lines and test rigs. The existing pilot circuit can stay as it is, because the valve settles on its own demand. Pilot supply and return are led outside.
Manufacturer
Bosch Rexroth, material number R900958570. Permitted circuit pressure, reduced pilot pressure and characteristic curves are given in data sheet RE 29115, with RE 07600-B for further reading.
| Hersteller-Nr | R900958570 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.850000 |
| 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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