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Anyone moving a press slide under position control needs a valve that holds the command value without retrimming. The 4WRKE25R220L delivers 220 l/min nominal flow at up to 350 bar and corrects spool position through internal feedback. Pilot oil supply and return are internal, so no external pilot line is required.
Proportional Directional Valve 4WRKE25R220L-3X/6EG24ETK31/A1D3M - Bosch Rexroth R901479295
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,043.28
Item
BRR-R901479295
Manufacturer no.
R901479295
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901479295
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901479295
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A press slide has to follow its programmed path under changing load. The pilot-operated proportional directional valve 4WRKE25R220L-3X/6EG24ETK31/A1D3M passes 220 l/min nominal flow, works up to 350 bar operating pressure and corrects spool position through internal position feedback before the axis shows a control error.
Benefits
- 220 l/min nominal flow in size 25, with headroom up to 870 l/min maximum flow
- 350 bar operating pressure, suitable for press circuits with high holding pressure
- ±10 V command value on the on-board electronics, no separate amplifier card in the cabinet
- Internal pilot oil supply and internal pilot oil return, two fewer lines on the manifold
- Spool symbol R with a linear characteristic curve, flow follows the command value proportionally
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 R |
| 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 | 17.96 kg |
Applications
The valve suits presses, forging equipment and test rigs where an axis runs under position or velocity control. The subplate mounting to ISO 4401-08-08-0-05 fits any standard size 25 mounting plate. NBR seals match hydraulic fluid HL.
Manufacturer
Bosch Rexroth, material number R901479295. The type code 4WRKE25R220L-3X/6EG24ETK31/A1D3M defines size, spool symbol, electronics and seal material without ambiguity.
| Hersteller-Nr | R901479295 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 17.960000 |
| 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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