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Spool symbol W6 blocks all four ports in mid position, which keeps suspended loads safely in place. This NG27 proportional valve meters 430 l/min of nominal flow at up to 270 bar. Pilot oil arrives internally while the return runs outside, mass is 20.78 kg.
Proportional Directional Valve 4WRLE27W6-430LJ-4X/MPY/24A1 - Bosch Rexroth R901581808
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,796.21
Item
BRR-R901581808
Manufacturer no.
R901581808
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901581808
Country of originGermany
ConditionNew
Artikel
BRR-R901581808
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Axes carrying a suspended load need a mid position that stops the cylinder from sinking. This pilot-operated proportional directional valve with spool symbol W6 meters 430 l/min of nominal flow, allows peaks to 1850 l/min plus works at a maximum operating pressure of 270 bar.
Benefits
- Spool symbol W6 with linear characteristic curve suits axes with a suspended load
- Nominal flow of 430 l/min, maximum flow 1850 l/min in size 27
- Internal pilot oil supply with external return saves one pilot line on the manifold
- A ±10 V command value at on-board electronics with internal spool position feedback on 24 VDC
- Connection diagram ISO 4401-08-08-0-05, CE conformity, NBR seals, mass 20.78 kg
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 1850 l/min |
| Product family | 4WRDE |
| Type of connection | Subplate mounting |
| Nominal flow | 430 l/min |
| Conformity | CE |
| Supply voltage | 24 VDC |
| Signal interface | Analog, command value ±10 V |
| Number of switching positions | 3 |
| Hydraulic fluid | HL |
| Number of ports | 4 |
| Electrical connection | Connector 7-pole (6 + PE) 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 | 20.78 kg |
Application
Fitted on lifting plus press axes where the load has to stay put at rest. Ample flow reserve covers fast traverse phases without losing fine control. An operating pressure of 270 bar matches plants running moderate system pressure.
Manufacturer
Bosch Rexroth, material number R901581808. Manufacturing and marking follow the manufacturer factory standard.
| Hersteller-Nr | R901581808 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.780000 |
| 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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