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Sizing a valve to the actual demand saves throttling losses. This 4WRTE25E220L-4X works at 220 l/min nominal flow instead of 350, holds 350 bar operating pressure and takes its command value as a ±10 V voltage.
Proportional Directional Valve 4WRTE25E220L-4X/6EG24EK31/A1M - Bosch Rexroth R900977350
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,510.01
Item
BRR-R900977350
Manufacturer no.
R900977350
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900977350
Country of originGermany
ConditionNew
Artikel
BRR-R900977350
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An oversized valve permanently works in the lower part of its characteristic curve, where command value resolution is at its worst. At 220 l/min nominal flow this 4WRTE25E220L-4X sits closer to the operating point of many axes without giving up the 870 l/min maximum flow.
Benefits
- 220 l/min nominal flow, matched to the real operating point of medium axes
- 870 l/min maximum flow retained as reserve
- Spool symbol E, three switching positions, internal spool position feedback
- Internal pilot oil supply, external pilot oil return
- Analog ±10 V command value, ISO 4401-08-08-0-05 interface, 350 bar
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 E |
| 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 | 18.02 kg |
Applications
Sensible in plants that mostly run at part load and where oil temperature and cooling capacity are an issue. Less throttling across the control edges means less waste heat in the tank. An analog voltage output of the control system is enough to drive it.
Manufacturer
Bosch Rexroth, material number R900977350, type 4WRTE25E220L-4X/6EG24EK31/A1M, component series 4X.
| Weight | 18.020000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900977350 |
| 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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