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External pilot oil supply and a 4...20 mA current command define the 4WRTE25W6-220L-4X/6EG24EK31/F1V. It meters 220 l/min nominal flow at 350 bar operating pressure and stays controllable even when pressure in port P collapses.
Proportional Directional Valve 4WRTE25W6-220L-4X/6EG24EK31/F1V - Bosch Rexroth R901464907
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,911.72
Item
BRR-R901464907
Manufacturer no.
R901464907
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901464907
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901464907
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A pilot operated valve is only as reliable as its pilot oil. In the EK31 version the 4WRTE25W6-220L-4X/6EG24EK31/F1V draws that oil from an external source and therefore meters 220 l/min nominal flow at 350 bar operating pressure independently of system pressure.
Benefits
- External pilot oil supply keeps the pilot stage working when pressure in port P falls below pilot level.
- 220 l/min nominal flow and up to 870 l/min maximum flow in size 25.
- A 4...20 mA current command survives long cable runs, and a value below 4 mA indicates a line fault.
- Spool symbol W6 across three switching positions and four ports, ISO 4401-08-08-0-05 mounting pattern.
- 350 bar operating pressure, FKM seals, 18 kg valve mass, 24 VDC supply.
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRTE |
| Type of connection | Subplate mounting |
| Nominal flow | 220 l/min |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value 4...20 mA |
| 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 | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 18 kg |
Application
Intended for plants with an accumulator or several consumers working at the same time. A dedicated line has to be provided for the external pilot oil supply. The current command additionally suits long distances between cabinet and valve.
Manufacturer
Bosch Rexroth lists this valve under material number R901464907. Electrical connection is a 7-pole connector (6 + PE) to EN 175201-804.
| Hersteller-Nr | R901464907 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 18.000000 |
| 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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