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500 l/min nominal flow and still clean metering: spool symbol E1 of this size 27 valve of the 4WRTE range has a fine control range around mid position. Operating pressure up to 270 bar, ±10 V command value, internal spool position feedback, weight 19.5 kg.
Proportional Directional Valve 4WRTE27E1-500P-4X/6EG24EK31/A1M - Bosch Rexroth R901117791
BOSCH REXROTH
Original product
Net price (excl. VAT)
€7,017.01
Item
BRR-R901117791
Manufacturer no.
R901117791
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901117791
Country of originGermany
ConditionNew
Artikel
BRR-R901117791
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Large flows and fine starting normally exclude each other, because a few percent of spool travel already release a lot of oil. This size 27 valve solves that with a characteristic that has a fine control range, and still meters 500 l/min nominal flow at flows up to 1000 l/min.
Benefits
- 500 l/min nominal flow, flow up to 1000 l/min through the valve.
- Characteristic with a fine control range, sensitive starting despite the large spool rating.
- Internal spool position feedback for high repeat accuracy of the spool position.
- Internal control-oil take-off with external return, operating pressure up to 270 bar.
- Spool symbol E1, 4 ports, 3 switching positions, connection diagram ISO 4401-08-07-0-05.
- ±10 V command value, 24 VDC supply, NBR seals, weight 19.5 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 | 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 | 19.5 kg |
Applications
The valve is used on large feed and lifting axes, on presses that clamp slowly after a fast approach and on test cylinders. The control-oil return has to run separately to tank. The permitted operating pressure of 270 bar is lower than in size 25 and has to be respected during layout.
Manufacturer
Bosch Rexroth, material number R901117791. Product family 4WRTE, pilot-operated spool valve with on-board electronics and subplate mounting.
| Hersteller-Nr | R901117791 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 19.500000 |
| 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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