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A steering gear has to hold its angle against the flow. This pilot operated proportional valve in size 25 meters 350 l/min rated flow at up to 350 bar and feeds the spool position back internally. Spool symbol W6, command value 4...20 mA, 18 kg.
Proportional Directional Valve 4WRKE25W6-350L-3X/6EG24TK31/F1D3V - Bosch Rexroth R901398457
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,873.76
Item
BRR-R901398457
Manufacturer no.
R901398457
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901398457
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901398457
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Total price
A rudder cylinder carries a load that changes with speed and sea state and still has to hold the commanded angle. The 4WRKE25W6-350L-3X/6EG24TK31/F1D3V meters 350 l/min rated flow at 350 bar maximum for that and measures the spool position inside the valve.
Benefits
- Internal piston position feedback, linear characteristic, on-board electronics without an external amplifier.
- 350 l/min rated flow, flow up to 870 l/min, operating limit 350 bar.
- Spool symbol W6 with blocked centre, three switching positions.
- External pilot oil supply with internal pilot oil return, pilot operated spool in size 25.
- Current command value 4...20 mA, 24 VDC supply, 18 kg, FKM seals, ISO 4401-08-08-0-05.
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 W6 |
| 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 | 18 kg |
Application
Steering gear, stabilisers and heavy adjusting axes on board work with this control. The blocked centre holds the cylinder if the signal fails, which freezes the angle instead of losing it. For a voltage command signal the series carries the A1 code.
Manufacturer
Bosch Rexroth, material number R901398457.
| Hersteller-Nr | R901398457 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 18.000000 |
| 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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