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An axis that should manage without foreign pilot lines gets a self-contained answer in the 4WRZ25W8-325-7X. Pilot oil is taken internally and returned internally, while 325 l/min nominal flow is metered through spool symbol W8 at 350 bar.
Proportional Directional Valve 4WRZ25W8-325-7X/6EG24ETK4/D3M - Bosch Rexroth R901015955
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,199.66
Item
BRR-R901015955
Manufacturer no.
R901015955
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901015955
Country of originGermany
ConditionNew
Artikel
BRR-R901015955
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The fewer pilot lines a machine needs, the simpler its piping becomes. The 4WRZ25W8-325-7X works in size 25 entirely without an external pilot circuit and still meters 325 l/min nominal flow through spool symbol W8.
Benefits
- Pilot oil fed in and drained internally, neither an X nor a Y line has to be laid.
- 325 l/min nominal flow, up to 870 l/min peak flow in size 25.
- Spool symbol W8 with 3 switching positions across 4 ports on the ISO 4401-08-08-0-05 interface.
- Integrated pressure reducing valve for constant pilot pressure at 350 bar system pressure.
- 20.48 kg weight, NBR seals, commanded at 24 VDC through 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 | 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 W8 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 20.48 kg |
Applications
The valve suits presses and lifting gear where a separate pilot supply is unwanted. Because the pilot stage feeds from the main channel, the four working ports of the subplate are enough. The amplifier card stays in the cabinet and connects through the 7-pole plug.
Manufacturer
Bosch Rexroth, material number R901015955. Characteristic curves, pilot oil demand and dimensions appear in data sheet RE 29115, series overview in catalogue RE 07600-B.
| Hersteller-Nr | R901015955 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.480000 |
| 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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