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For a swap on a unit with a separate pilot pump, the 4WRTE27W6-500L-4X/6EG24K31/A1M is the right fit: both pilot paths external, ±10 V command value, spool symbol W6 and 500 l/min nominal flow in size 27 at 270 bar operating pressure.
Proportional Directional Valve 4WRTE27W6-500L-4X/6EG24K31/A1M - Bosch Rexroth R900977345
BOSCH REXROTH
Original product
Net price (excl. VAT)
€7,320.16
Item
BRR-R900977345
Manufacturer no.
R900977345
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900977345
Country of originGermany
ConditionNew
Artikel
BRR-R900977345
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Total price
Grown installations often carry a dedicated pilot pump whose pipework nobody wants to change. The 4WRTE27W6-500L-4X/6EG24K31/A1M fits there, because pilot oil supply and return are both external. It meters 500 l/min nominal flow from a ±10 V voltage command.
Benefits
- External pilot oil supply and external return match the existing pipework.
- A ±10 V command value works with the installed axis controller without electrical rework.
- Nominal flow 500 l/min and maximum flow 1000 l/min in size 27.
- Spool symbol W6 keeps the centre position function of the existing circuit diagram.
- Connection diagram ISO 4401-08-07-0-05, 270 bar operating pressure, 4 ports, 19.5 kg.
- On-board electronics at 24 V DC, 7-pole connector (6 + PE) according to EN 175201-804.
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 W6 |
| 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 | 19.5 kg |
Applications
The valve serves presses, lifting gear and feed axes designed around a separate control oil supply. Since connection diagram and spool symbol follow the series standard, the manifold stays untouched. The voltage command suits common analogue output cards.
Manufacturer
Bosch Rexroth, material number R900977345. The type code 4WRTE27W6-500L-4X/6EG24K31/A1M states size 27, spool symbol W6, 500 l/min nominal flow and external pilot routing.
| Hersteller-Nr | R900977345 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 19.500000 |
| 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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