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A controlled axis needs feedback of the spool position so that the command value is reached repeatably. This size 27 valve works with internal spool position feedback and carries 500 l/min nominal flow at up to 270 bar operating pressure.
Proportional Directional Valve 4WRTE27E1-500L-4X/6EG24TK31/A1M - Bosch Rexroth R901427378
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,815.62
Item
BRR-R901427378
Manufacturer no.
R901427378
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901427378
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901427378
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Internal spool position feedback turns the directional valve into a controlled axis: the analog command value ±10 V is converted into a spool position and held there. Size 27 provides 500 l/min nominal flow and a maximum flow of 1000 l/min for the job.
Benefits
- Internal spool position feedback for repeatable positioning, analog command value ±10 V
- 500 l/min nominal flow, maximum flow 1000 l/min, maximum operating pressure 270 bar
- Spool symbol E1 with 3 switching positions across 4 ports, linear characteristic
- Pilot oil supplied externally and returned internally, matching power units that run their own pilot pump
- On-board electronics on 24 VDC, NBR seals for HL hydraulic fluid, weight 19.32 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 VDC |
| 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 E1 |
| 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 | 19.32 kg |
Applications
Presses, hoists and transfer axes whose control calls for a defined centre state at the actuator ports are the typical case. The external pilot supply secures switching even when working pressure drops for a moment. The valve sits on a subplate to ISO 4401-08-07-0-05, pilot oil returns internally.
Manufacturer
Bosch Rexroth lists the valve under material number R901427378. Spool symbol, type of piloting and signal type are expressed in the type code 4WRTE27E1-500L-4X/6EG24TK31/A1M.
| Hersteller-Nr | R901427378 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 19.320000 |
| 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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