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A loaded return line must not affect piloting, so this version discharges pilot oil through a dedicated port. Size 27, symbol W8, 500 l/min nominal flow, command value 4 to 20 mA and operating pressure up to 270 bar.
Proportional Directional Valve 4WRTE27W8-500L-4X/6EG24EK31/F1M - Bosch Rexroth R901359422
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,815.62
Item
BRR-R901359422
Manufacturer no.
R901359422
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901359422
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901359422
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Filters and shared return lines create back pressure that reaches into the pilot circuit. The 4WRTE27W8-500L-4X/6EG24EK31/F1M avoids this with internal oil take-off and an external pilot drain, at 500 l/min nominal flow in size 27.
Benefits
- Internal pilot oil supply with external return keeps pilot pressure independent of tank back pressure.
- 500 l/min nominal flow, 1000 l/min maximum, operating pressure up to 270 bar.
- Symbol W8 in three switching positions, internal position feedback for a linear characteristic.
- Current command value 4 to 20 mA, supply 24 V DC through a 7-pole connector (6 + PE).
- Weight 19.44 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 4 to 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. | 270 bar |
| Size | 27 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 19.44 kg |
Applications
The valve fits plants with return filters or a shared tank line for several axes, for example press lines and foundry equipment. A separate pilot drain keeps piloting free of pressure fluctuation. Hydraulically it stays compatible with the rest of the range.
Manufacturer
Bosch Rexroth, material number R901359422. Size 27 with mounting pattern ISO 4401-08-07-0-05, type code 4WRTE27W8-500L-4X/6EG24EK31/F1M.
| Hersteller-Nr | R901359422 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 3.580000 |
| Zolltarifnummer | 84812010 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
| Position sensing | No |
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