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A cylinder has to be positioned accurately at 220 l/min nominal flow. The 4WRKE25E220L-3X controls direction and metering in one unit, and its on-board electronics evaluate the ±10 V command value at the valve itself. Internal spool position feedback holds the spool on target up to 350 bar operating pressure.
Proportional Directional Valve 4WRKE25E220L-3X/6EG24ETK31/A1D3V - Bosch Rexroth R901156926
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,873.76
Item
BRR-R901156926
Manufacturer no.
R901156926
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901156926
Country of originGermany
ConditionNew
Artikel
BRR-R901156926
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Total price
Large cylinder and press axes need directional control that copes with 220 l/min nominal flow without an upstream amplifier. This pilot-operated size 25 proportional valve manages that with on-board electronics and internal spool position feedback, so the spool follows the ±10 V command value even at 350 bar operating pressure.
Benefits
- 220 l/min nominal flow, while the valve itself passes up to 870 l/min
- The ±10 V command value is evaluated by the on-board electronics at the valve, so a separate amplifier card is not needed
- Spool symbol E with a linear characteristic curve and internal spool position feedback
- Operating pressure up to 350 bar, FKM seals for HL hydraulic fluid
- Internal pilot oil supply and internal pilot oil return, so the pilot ports need no external piping
- Subplate mounting to ISO 4401-08-08-0-05, weight 17.9 kg
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 | 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 | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 17.9 kg |
Applications
Typical installations are presses, injection moulding machines and test rigs where a cylinder runs under position control at 220 l/min. The subplate mounting to ISO 4401-08-08-0-05 fits any size 25 manifold. Supply voltage of 24 VDC and the command signal reach the valve through the 7-pole (6 + PE) connector to EN 175201-804.
Manufacturer
Bosch Rexroth lists this valve under material number R901156926.
| Hersteller-Nr | R901156926 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 17.900000 |
| 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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