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A separate pilot circuit with its own return line fully decouples the pilot stage from the working circuit. The 4WRZ25W8-325-7X/6EG24N9K4/D3M is built that way, meters 325 l/min to symbol W8 and weighs 20.42 kg in size 25.
Proportional Directional Valve 4WRZ25W8-325-7X/6EG24N9K4/D3M - Bosch Rexroth R900704606
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,287.35
Item
BRR-R900704606
Manufacturer no.
R900704606
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900704606
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900704606
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On the 4WRZ25W8-325-7X/6EG24N9K4/D3M the pilot oil supply and return run through lines of their own. The pilot stage is therefore independent of the state of the main circuit, at a nominal flow of 325 l/min and 350 bar permissible operating pressure.
Benefits
- External pilot oil supply and external return, pilot stage fully decoupled.
- Nominal flow 325 l/min, maximum flow 870 l/min.
- Spool symbol W8 with 3 switching positions and 4 ports in size 25.
- Integrated pressure reducing valve keeps pilot pressure at a constant level.
- 20.42 kg, NBR seals, external electronics, connection diagram ISO 4401-08-08-0-05.
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 | 20.42 kg |
Applications
This routing is chosen when pressure varies in the main circuit and back pressure builds in the return as well. Pilot supply and pilot drain are then kept apart. Piping effort is higher, but switching times stay the same across the whole cycle.
Manufacturer
The manufacturer is Bosch Rexroth, material number R900704606, product family 4WRZ(E). Data sheet RE 29115 describes all pilot oil routing variants, RE 07600-B provides the range overview.
| Hersteller-Nr | R900704606 |
|---|---|
| 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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