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Plants with a dedicated control oil circuit need a valve that draws pilot oil externally and returns it externally. This version with spool symbol E1 does exactly that while metering 600 l/min nominal flow at 350 bar in size 32, driven by a plus or minus 10 V command.
Proportional Directional Valve 4WRTE32E1-600L-4X/6EG24K31/A1M - Bosch Rexroth R900739977
BOSCH REXROTH
Original product
Net price (excl. VAT)
€8,134.93
Item
BRR-R900739977
Manufacturer no.
R900739977
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900739977
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900739977
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Large power units often run a separate pilot pump so the pilot stage stays independent of working pressure. The 4WRTE32E1-600L-4X/6EG24K31/A1M is built for that case: pilot oil arrives externally, the pilot return leaves externally, and 600 l/min are controlled at up to 350 bar.
Benefits
- External pilot oil supply and external return separate the pilot stage cleanly from the 350 bar main circuit.
- Nominal flow of 600 l/min within a maximum flow of 1600 l/min in size 32.
- Spool position feedback with a plus or minus 10 V command closes the control loop without external sensors.
- 3 switching positions with spool symbol E1 across 4 ports, mounting pattern ISO 4401-10-09-0-05.
- 24 VDC through a 7-pole connector (6 + PE) to EN 175201-804, weight 37.34 kg.
Technical data
| Connection diagram | ISO 4401-10-09-0-05 |
| Max. flow | 1600 l/min |
| Product family | 4WRTE |
| Type of connection | Subplate mounting |
| Nominal flow | 600 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. | 350 bar |
| Size | 32 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 37.34 kg |
Applications
The valve is intended for press lines, continuous casting plants and large test fields with central pilot oil supply. Because the pilot stage hangs on its own circuit, response time stays constant even when working pressure dips briefly. The medium is mineral oil of class HL with NBR seals.
Manufacturer
Bosch Rexroth, material number R900739977. The type code 4WRTE32E1-600L-4X/6EG24K31/A1M stands for size 32, spool symbol E1, 600 l/min and component series 4X.
| Hersteller-Nr | R900739977 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 37.340000 |
| 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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