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Pilot oil from the main circuit, return through a line of its own: this keeps the pilot stage of the valve clear of back pressure in the return line. Symbol E1, nominal flow 85 l/min, mass 7.72 kg.
Proportional Directional Valve 4WRZ10E1-85-7X/6EG24N9EK4/M - Bosch Rexroth R900977454
BOSCH REXROTH
Original product
Net price (excl. VAT)
€2,540.07
Item
BRR-R900977454
Manufacturer no.
R900977454
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900977454
Country of originGermany
ConditionNew
Artikel
BRR-R900977454
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This version takes pilot oil from the main circuit and discharges it through a dedicated port. Back pressure in the return line therefore has no effect on the pilot stage. The main spool works to symbol E1 at a nominal flow of 85 l/min.
Benefits
- Internal pilot oil supply with external pilot oil return
- Symbol E1 in 3 switching positions across 4 ports
- Nominal flow 85 l/min, maximum flow 170 l/min
- Concealed auxiliary actuation for commissioning and fault finding
- Operating pressure up to 315 bar, subplate mounting to ISO 4401-05-05-0-05
- NBR seals for HL hydraulic fluid, mass 7.72 kg
Technical data
| Connection diagram | ISO 4401-05-05-0-05 |
| Max. flow | 170 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 85 l/min |
| Supply voltage | 24 VDC |
| 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. | 315 bar |
| Size | 10 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 7.72 kg |
Applications
The valve suits systems whose return line runs through coolers and filters and therefore carries pressure. The main circuit supplies the required pilot pressure at the same time.
Manufacturer
Bosch Rexroth lists this item of product family 4WRZ(E) under material number R900977454. Dimensional drawings, characteristic curves and installation notes are given in data sheet RE 29115, the series overview is RE 07600-B.
| Weight | 7.720000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900977454 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikelzustand | New |
| Artikel-Authentizität | Original product |
| Country of Manufacture | Germany |
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