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Moving an axis steplessly calls for a valve with a nominal flow rating instead of fixed switching stages. The 4WRZ10W6-85-7X/6EG24ETK4/D3V works with 85 l/min nominal flow, symbol W6 and a pressure reducing valve in the pilot stage. Operating pressure reaches 315 bar.
Proportional Directional Valve 4WRZ10W6-85-7X/6EG24ETK4/D3V - Bosch Rexroth R978909359
BOSCH REXROTH
Original product
Net price (excl. VAT)
€2,804.27
Item
BRR-R978909359
Manufacturer no.
R978909359
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R978909359
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R978909359
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The 4WRZ10W6-85-7X/6EG24ETK4/D3V proportional directional valve controls direction and quantity of oil flow in one step. At 85 l/min nominal flow and up to 170 l/min total flow it withstands an operating pressure of 315 bar.
Advantages
- Nominal flow of 85 l/min, total flow up to 170 l/min in size 10.
- Pressure reducing valve in the pilot stage, which keeps pilot pressure limited inside the valve.
- Internal pilot oil supply and internal pilot oil return, so no extra pilot line is needed.
- Symbol W6 with three switching positions, connection diagram ISO 4401-05-05-0-05.
- Driven by external electronics at 24 VDC, electrical connection to EN 175201-804.
- FKM seals for HL hydraulic fluid, weight 8.24 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 W6 |
| Operating pressure, max. | 315 bar |
| Size | 10 |
| Seals | FKM |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 8.24 kg |
Application
Proportional valves of this series drive axes that have to accelerate gently and stop accurately, for instance in presses, test rigs and plastics machinery. The command value comes from the higher level control through external amplifier electronics. At 315 bar there is reserve for load peaks.
Manufacturer
Bosch Rexroth lists the valve under material number R978909359. Flow gain curves and installation dimensions are given in the data sheet in the download section.
| Weight | 8.240000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R978909359 |
| Zolltarifnummer | 84812010 |
| 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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