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Large cylinders call for flow without giving the pilot stage a pump of its own. The 4WRZ25W6-325-7X/6EG24EK4/D3M delivers 325 l/min nominal flow, draws pilot oil internally and returns it externally to the tank.
Proportional Directional Valve 4WRZ25W6-325-7X/6EG24EK4/D3M - Bosch Rexroth R900738166
BOSCH REXROTH
Original product
Net price (excl. VAT)
€3,934.22
Item
BRR-R900738166
Manufacturer no.
R900738166
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900738166
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900738166
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The step from 220 to 325 l/min decides how fast a cylinder extends. The 4WRZ25W6-325-7X/6EG24EK4/D3M is the faster build of the same size 25: 325 l/min nominal flow, peaks up to 870 l/min, pilot oil supplied internally and drained externally.
Benefits
- 325 l/min nominal flow on the same ISO 4401-08-08-0-05 pattern as the smaller ratings of the series.
- Up to 870 l/min flow and 350 bar operating pressure as the upper limits of the valve.
- Pilot oil supplied internally, drained externally through a dedicated drain line.
- Spool symbol W6, 20.42 kg weight, three switching positions across four ports.
- NBR seals, HL hydraulic fluid, 24 VDC through a 7-pole (6 + PE) plug to EN 175201-804.
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 | 20.42 kg |
Applications
The valve is intended for main axes on presses, shears and stretching lines with large cylinder volumes. The higher nominal flow shortens rapid traverse times without any change to the subplate. As a spare part it fits wherever a 4WRZ(E) valve in size 25 is already installed.
Manufacturer
Bosch Rexroth, material number R900738166. Flow curves and performance limit data are given in data sheet RE 29115.
| Hersteller-Nr | R900738166 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.420000 |
| Zolltarifnummer | 84812010 |
| 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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