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When pilot oil should come from a dedicated, filtered circuit, the version with external supply and external return is the right one. The 4WRKE25R3-350L then meters 350 l/min nominal flow from a 4...20 mA command and keeps the closed mid position of symbol R3.
Proportional Directional Valve 4WRKE25R3-350L-3X/6EG24K31/F1D3M - Bosch Rexroth R901217770
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,043.28
Item
BRR-R901217770
Manufacturer no.
R901217770
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901217770
Country of originGermany
ConditionNew
Artikel
BRR-R901217770
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A separate pilot circuit with its own filtration protects the sensitive pilot stage. The 4WRKE25R3-350L-3X/6EG24K31/F1D3M is built for that, taking pilot oil externally and returning it externally while the main spool releases 350 l/min at up to 350 bar.
Benefits
- External pilot oil supply and external return allow a dedicated pilot circuit
- Spool symbol R3 with all ports blocked in mid position
- 350 l/min nominal flow in size 25
- 4...20 mA current command on the on-board electronics
- Internal spool position feedback for reproducible positioning
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 | 350 l/min |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value 4...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 R3 |
| 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 | 17.9 kg |
Applications
Found in steel plants, roll adjustment drives and systems with a high contamination risk in the main circuit. The separate pilot circuit can be filtered and monitored independently. Interface ISO 4401-08-08-0-05, weight 17.9 kg.
Manufacturer
Bosch Rexroth, material number R901217770. The type code 4WRKE25R3-350L-3X/6EG24K31/F1D3M defines size, spool symbol, electronics and seal material without ambiguity.
| Hersteller-Nr | R901217770 |
|---|---|
| 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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