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If the plant already provides a regulated pilot pressure, a pressure reducing valve inside the unit is unnecessary. The 4WRZ25W6-220-7X/6EG24N9TK4/M does without one, controls 220 l/min nominal flow and carries a concealed auxiliary actuation.
Proportional Directional Valve 4WRZ25W6-220-7X/6EG24N9TK4/M - Bosch Rexroth R901094372
BOSCH REXROTH
Original product
Net price (excl. VAT)
€3,791.09
Item
BRR-R901094372
Manufacturer no.
R901094372
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Brand new
Specialist dealer since 2009
Original product
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Product data
Manufacturer no.R901094372
Country of originGermany
ConditionNew
Artikel
BRR-R901094372
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This build of the 4WRZ series omits the internal pressure reducing valve and expects pilot pressure from an external circuit. The 4WRZ25W6-220-7X/6EG24N9TK4/M thus controls 220 l/min nominal flow at 350 bar in size 25.
Benefits
- Without an internal pressure reducing valve, pilot pressure is provided by the plant.
- Pilot oil supplied externally, drained internally, a separate pilot return line is not needed.
- 220 l/min nominal flow, up to 870 l/min peak flow at 350 bar maximum operating pressure.
- Concealed auxiliary actuation for moving the axis in setup mode.
- Spool symbol W6, 20 kg weight, 24 VDC through a 7-pole (6 + PE) plug to EN 175201-804 with external electronics.
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 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 kg |
Applications
The valve is intended for plants that generate and protect pilot pressure centrally, such as large presses with a pilot pump. The concealed auxiliary actuation allows the axis to be moved when the electronics have failed, while preventing accidental operation during production. Check the permissible pilot pressure before connecting.
Manufacturer
Bosch Rexroth, material number R901094372. Pilot pressure range, characteristic curves and dimensions are given in data sheet RE 29115.
| Hersteller-Nr | R901094372 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.000000 |
| 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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