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When pressure at port P drops below pilot level, an external pilot oil supply keeps the valve alive. This 4WRTE25V220P is built that way, at 220 l/min nominal flow, 350 bar operating pressure and an analog ±10 V command.
Proportional Directional Valve 4WRTE25V220P-4X/6EG24TK31/A1M - Bosch Rexroth R901063109
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,530.17
Item
BRR-R901063109
Manufacturer no.
R901063109
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901063109
Country of originGermany
ConditionNew
Artikel
BRR-R901063109
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Plants that unload pressure or run on accumulators put pilot-operated valves in trouble as soon as pilot pressure disappears. The 4WRTE25V220P-4X/6EG24TK31/A1M avoids that through external pilot oil supply with internal pilot oil return, while metering 220 l/min at 350 bar.
Benefits
- External pilot oil supply keeps pilot control fed even when working pressure at P is unloaded.
- Internal pilot oil return saves an extra line back to tank.
- 220 l/min nominal flow, 870 l/min maximum, from a valve of 18 kg.
- Analog ±10 V command straight from the controller, with internal spool position feedback.
- Spool symbol V offers a fine metering range around centre.
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 ±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 V |
| 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 kg |
Applications
Sensible in accumulator circuits, power units with variable displacement pumps and anywhere system pressure swings widely during the cycle. Control quality is retained at low working pressure too. Mounting pattern ISO 4401-08-08-0-05, HL hydraulic fluid.
Manufacturer
Bosch Rexroth, material number R901063109. Electrical version with on-board electronics, 24 VDC supply.
| Hersteller-Nr | R901063109 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 18.000000 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
| Position sensing | No |
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