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A separately built pilot circuit and a current command make this valve insensitive to the two most common sources of trouble. Pilot oil supply and return both run externally, the command value arrives as 4 to 20 mA. Nominal flow 325 l/min, up to 350 bar.
Proportional Directional Valve 4WRZE25W8-325-7X/6EG24N9K31/F1D3V - Bosch Rexroth R900949576
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,598.35
Item
BRR-R900949576
Manufacturer no.
R900949576
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Brand new
Specialist dealer since 2009
Original product
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Product data
Manufacturer no.R900949576
Country of originGermany
ConditionNew
Artikel
BRR-R900949576
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Fully external piloting means its own pressure, its own filter and its own return, regardless of what the working circuit is doing at the moment. Together with the impressed current of 4 to 20 mA this makes a very sturdy configuration for 325 l/min nominal flow in size 25.
Benefits
- External pilot oil supply and external return, fully decoupled from the working circuit.
- Command value 4 to 20 mA, proof against voltage drop and potential differences.
- 325 l/min nominal flow, flow up to 870 l/min, operating pressure up to 350 bar.
- Spool symbol W8, 4 ports, 3 switching positions, ISO 4401-08-08-0-05.
- Weight 20.62 kg, FKM seals, UKCA conformity to SI2016/1091.
Technical data
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| 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 |
| Conformity | UKCA |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value 4 to 20 mA |
| Number of switching positions | 3 |
| Hydraulic fluid | HL |
| Number of ports | 4 |
| Electrical connection | 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, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.62 kg |
Applications
The variant is meant for plants with strongly fluctuating system pressure, such as accumulator presses and forging hammers. The pilot circuit is fed from an auxiliary pump and drained separately to tank. Both lines belong in the piping layout of the manifold.
Manufacturer
Bosch Rexroth, material number R900949576. Pilot-operated proportional directional valve of the 4WRZ(E) product family with on-board electronics. Further details are given in data sheets RE 29115 and RE 07600-B.
| Hersteller-Nr | R900949576 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.620000 |
| 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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