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A pilot circuit fed and drained independently of working pressure keeps the pilot stage steady while system pressure moves. The 4WRZ25W8-325-7X is built that way and meters 325 l/min nominal flow at 350 bar.
Proportional Directional Valve 4WRZ25W8-325-7X/6EG24N9K4/V - Bosch Rexroth R900951703
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,462.19
Item
BRR-R900951703
Manufacturer no.
R900951703
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900951703
Country of originGermany
ConditionNew
Artikel
BRR-R900951703
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When system pressure swings with the machine cycle, the pilot stage should not notice. On the 4WRZ25W8-325-7X/6EG24N9K4/V both pilot feed and pilot drain run externally, while the main stage meters 325 l/min nominal flow at up to 350 bar.
Benefits
- External pilot oil supply plus external pilot oil return, pilot pressure untouched by working pressure
- Nominal flow 325 l/min, maximum flow 870 l/min
- Spool symbol W8, 4 ports, 3 switching positions
- Maximum operating pressure 350 bar in size 25
- External electronics, 24 VDC, 7-pole connector (6 + PE) to EN 175201-804
- FKM seals, concealed auxiliary actuation, weight 20.02 kg
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 | FKM |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 20.02 kg |
Application
The valve is meant for presses, roll adjustment drives as well as test rigs with strongly changing load pressure. External pilot routing keeps response time constant across the whole cycle. Connection diagram ISO 4401-08-08-0-05, weight 20.02 kg.
Manufacturer
Bosch Rexroth, material number R900951703, type designation 4WRZ25W8-325-7X/6EG24N9K4/V. Further values are given in the data sheet Proportional directional valve, pilot-operated (RE 29115) and Hydraulic valves and hydro- (RE 07600-B).
| Hersteller-Nr | R900951703 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.020000 |
| 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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