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For replacing existing axes with voltage control this is the obvious variant: symbol W8, external pilot circuit, ±10 V DC command value. Size 27 with 500 l/min nominal flow and operating pressure up to 270 bar.
Proportional Directional Valve 4WRTE27W8-500L-4X/6EG24K31/A1M - Bosch Rexroth R900977344
BOSCH REXROTH
Original product
Net price (excl. VAT)
€7,577.51
Item
BRR-R900977344
Manufacturer no.
R900977344
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900977344
Country of originGermany
ConditionNew
Artikel
BRR-R900977344
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A replacement valve has to match the existing piping and the installed control card, otherwise the swap becomes expensive. The 4WRTE27W8-500L-4X/6EG24K31/A1M brings symbol W8, external piloting with external return and a ±10 V DC command value together at 500 l/min nominal flow.
Benefits
- Symbol W8 in three switching positions, a widely used version for controlled cylinder axes.
- External pilot oil supply and external return for plants with their own pilot circuit.
- 500 l/min nominal flow, 1000 l/min maximum flow, operating pressure up to 270 bar.
- Command value ±10 V DC through a 7-pole connector (6 + PE), supply 24 V DC.
- Weight 19.66 kg, NBR seals, HL hydraulic fluid.
Technical data
| Connection diagram | ISO 4401-08-07-0-05 |
| Max. flow | 1000 l/min |
| Product family | 4WRTE |
| Type of connection | Subplate mounting |
| Nominal flow | 500 l/min |
| Supply voltage | 24 V DC |
| 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 W8 |
| Operating pressure, max. | 270 bar |
| Size | 27 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 19.66 kg |
Applications
The valve is fitted to presses, lifting gear and forming machines whose axes run on analogue control cards. Since connection diagram and signal type match the common version, the swap is limited to seals and bolts. An external pilot circuit has to be in place.
Manufacturer
Bosch Rexroth, material number R900977344. Connection diagram ISO 4401-08-07-0-05, type code 4WRTE27W8-500L-4X/6EG24K31/A1M.
| Weight | 19.660000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900977344 |
| 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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