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The smaller flow step within size 25 resolves the control range more finely than the 350 version. This pilot operated proportional directional valve sets 220 l/min of nominal flow, works up to 350 bar and takes its command value as a 4 to 20 mA current.
Proportional Directional Valve 4WRTE25V1-220L-4X/6EG24K31/F1V - Bosch Rexroth R901144221
BOSCH REXROTH
Original product
Net price (excl. VAT)
€7,437.97
Item
BRR-R901144221
Manufacturer no.
R901144221
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
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Product data
Manufacturer no.R901144221
Country of originGermany
ConditionNew
Artikel
BRR-R901144221
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Between 220 and 350 l/min in the same frame size lies a clear difference in resolution. Choosing the smaller step gives finer control over an axis. The 4WRTE25V1-220L offers exactly that grading.
Benefits
- Spool Symbol V1 with a linear characteristic, 3 switching positions
- External pilot oil supply and external pilot oil return, pilot operated design
- On-board electronics close the position loop themselves, so no separate amplifier is needed in the cabinet
- Command value Analog, command value 4 to 20 mA on a 24 VDC supply, Connector, 7-pole (6 + PE)
- FKM seals matched to HL hydraulic fluid
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 to 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 V1 |
| 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 |
Applications
The choice fits axes that are large in build but have to travel slowly and precisely, for example on testing machines and positioning hoists. Pilot oil is fed and drained externally, so the pilot stage can be filtered. The valve weighs 18 kg.
Manufacturer
Bosch Rexroth lists this product under material number R901144221. Every figure on this page comes from the manufacturer data for type code 4WRTE25V1-220L-4X/6EG24K31/F1V.
| Hersteller-Nr | R901144221 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 18.000000 |
| 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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