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A test bench with its own pilot pump needs a valve that draws pilot oil from outside. The 4WRTE27E500L-4X/6EG24TK31/A1M does exactly that and returns pilot oil internally, at 500 l/min nominal flow, spool symbol E and a weight of 19.3 kg.
Proportional Directional Valve 4WRTE27E500L-4X/6EG24TK31/A1M - Bosch Rexroth R901422545
BOSCH REXROTH
Original product
Net price (excl. VAT)
€7,320.16
Item
BRR-R901422545
Manufacturer no.
R901422545
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901422545
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901422545
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Test benches often run a dedicated pilot pump so that the pilot stage stays independent of load pressure. The 4WRTE27E500L-4X/6EG24TK31/A1M is arranged for that case, with external supply, internal return and 500 l/min nominal flow in size 27 with spool symbol E.
Benefits
- External pilot oil supply decouples control from pressure in the working circuit.
- Internal pilot return saves one line compared with the fully external variant.
- Nominal flow 500 l/min at 270 bar operating pressure, maximum 1000 l/min.
- Spool symbol E with 3 switching positions and ±10 V command value through on-board electronics.
- Connection diagram ISO 4401-08-07-0-05, 4 ports, NBR seals, weight 19.3 kg.
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 E |
| 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 | 19.3 kg |
Applications
The valve drives test cylinders, loading frames and lifting axes with a high volume demand. Because the pilot stage has its own supply, response stays the same even when system pressure swings widely. Spool symbol E defines the behaviour of the centre position in the existing circuit.
Manufacturer
Bosch Rexroth, material number R901422545. The type code 4WRTE27E500L-4X/6EG24TK31/A1M states the 4WRTE series, size 27, spool symbol E and 500 l/min nominal flow.
| Hersteller-Nr | R901422545 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 19.300000 |
| 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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