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Large cylinders call for large flow areas. This pilot operated proportional valve of size 25 provides 350 l/min nominal flow, 870 l/min at peak, and withstands 350 bar operating pressure. Spool symbol R3 keeps a fine control range around mid position.
Proportional Directional Valve 4WRKE25R3-350P-3X/6EG24K31/A1D3M - Bosch Rexroth R900771042
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,267.18
Item
BRR-R900771042
Manufacturer no.
R900771042
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900771042
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900771042
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The 4WRKE25R3-350P-3X/6EG24K31/A1D3M drives axes where a 100 l/min valve would long since be at its limit. Spool symbol R3 runs a linear curve with a fine control range, so small movements stay well metered even at 350 l/min nominal flow. Pilot supply and return are external, and the mounting pattern follows ISO 4401-08-08-0-05.
Benefits
- Nominal flow 350 l/min, maximum 870 l/min, operating pressure to 350 bar.
- Spool symbol R3 with a linear curve and a fine control range around mid position.
- Closed loop spool position control through the internal transducer.
- External pilot supply and return keep the pilot stage clear of load.
- NBR seals, 17.9 kg, mounting pattern ISO 4401-08-08-0-05.
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRKE |
| Type of connection | Subplate mounting |
| Nominal flow | 350 l/min |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value ±10 V |
| 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 R3 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 17.9 kg |
Application
The valve is built into presses, forging plants and test rigs with large cylinder areas. Mineral oil of class HL is intended. The on-board electronics accept ±10 V and are wired through a 7-pole plug to EN 175201-804 on 24 VDC.
Manufacturer
Bosch Rexroth AG, material number R900771042, product family 4WRKE, size 25.
| Weight | 17.900000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900771042 |
| Zolltarifnummer | 84812010 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikelzustand | New |
| Artikel-Authentizität | Original product |
| Country of Manufacture | Germany |
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