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A 4...20 mA current command value and external pilot oil routing come together in this valve with spool symbol W8. The size 25 unit meters 350 l/min nominal flow and is released for operating pressure up to 350 bar.
Proportional Directional Valve 4WRKE25W8-350L-3X/6EG24K31/F1D3M - Bosch Rexroth R900979857
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,506.66
Item
BRR-R900979857
Manufacturer no.
R900979857
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900979857
Country of originGermany
ConditionNew
Artikel
BRR-R900979857
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Long signal runs in extensive plants speak for a current signal. The 4WRKE25W8-350L-3X takes the command value as 4...20 mA and meters 350 l/min nominal flow at up to 350 bar, with pilot oil supply and return both external.
Benefits
- 4...20 mA current command value, insensitive to voltage drop on long cables
- External pilot oil supply and external pilot oil return
- 350 l/min nominal flow, flow rate up to 870 l/min
- Spool symbol W8, operating pressure up to 350 bar
- 17.96 kg weight, ISO 4401-08-08-0-05 connection diagram
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 W8 |
| 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
Valves of this type sit in rolling mills, press lines and water engineering plants where the cabinet stands far from the drive. The on-board electronics convert the current signal directly at the valve. Supply is 24 V DC through the 7-pole connector (6 + PE).
Manufacturer
Bosch Rexroth, material number R900979857. The type code 4WRKE25W8-350L-3X/6EG24K31/F1D3M defines size, spool symbol, pilot oil routing and command value type without ambiguity.
| Weight | 17.960000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900979857 |
| 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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