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Spool symbol R3 blocks all four ports in mid position and keeps a load in place if the signal fails. Together with 350 l/min nominal flow, 350 bar and a 4...20 mA current command this gives an axis that does not drift at standstill.
Proportional Directional Valve 4WRKE25R3-350L-3X/6EG24EK31/F1D3M - Bosch Rexroth R901337449
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,043.28
Item
BRR-R901337449
Manufacturer no.
R901337449
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901337449
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901337449
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A suspended load must not sink when the axis stops. The 4WRKE25R3-350L-3X/6EG24EK31/F1D3M uses spool symbol R3 for that, releases 350 l/min nominal flow in operation and works up to 350 bar. The external pilot oil return keeps the pilot circuit clear of back pressure from the return line.
Benefits
- Spool symbol R3 with a defined mid position for axes carrying a suspended load
- 350 l/min nominal flow, maximum flow 870 l/min
- Operating pressure up to 350 bar in size 25
- 4...20 mA current command on the on-board electronics
- Internal pilot supply with external return, insensitive to tank back pressure
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 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 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 | 18.08 kg |
Applications
Intended for hoists, baling presses and vertical press axes where the load is held at standstill. Four ports and three switching positions serve the standard cylinder circuit. The ISO 4401-08-08-0-05 interface is common across the industry.
Manufacturer
Bosch Rexroth, material number R901337449. The type code 4WRKE25R3-350L-3X/6EG24EK31/F1D3M defines size, spool symbol, electronics and seal material without ambiguity.
| Hersteller-Nr | R901337449 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 18.080000 |
| 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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