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In plants with an accumulator in the pilot circuit the pilot pressure survives even when the working circuit is unpressurised. The 4WRZ32W8-520-7X/6EG24N9K4/M uses external supply and external return and controls 520 l/min nominal flow at a maximum of 350 bar.
Proportional Directional Valve 4WRZ32W8-520-7X/6EG24N9K4/M - Bosch Rexroth R900723645
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,110.67
Item
BRR-R900723645
Manufacturer no.
R900723645
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900723645
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900723645
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An accumulator in the pilot circuit holds control pressure even when the main pump is switched off, which allows a defined move into the rest position. The 4WRZ32W8-520-7X/6EG24N9K4/M is laid out for exactly that, with external pilot supply and external return.
Benefits
- Pilot oil routed entirely externally, the valve stays able to switch as long as the pilot circuit carries pressure.
- 520 l/min nominal flow, up to 1600 l/min throughput in size 32.
- 350 bar maximum operating pressure, 43.2 kg, subplate mounting to ISO 4401-10-09-0-05.
- Spool symbol W8, 3 switching positions, 4 ports, including concealed auxiliary actuation.
- NBR seals for HL hydraulic fluid, commanded through an external amplifier.
Technical data
| Connection diagram | ISO 4401-10-09-0-05 |
| Max. flow | 1600 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 520 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 W8 |
| Operating pressure, max. | 350 bar |
| Size | 32 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 43.2 kg |
Applications
The valve is used on large presses, lock gates and weir drives where a defined rest position has to be reached after the main pump stops. A separate pilot circuit can feed several main valves together. Signals arrive through a 7-pole (6 + PE) plug.
Manufacturer
Bosch Rexroth, material number R900723645. Details on pilot oil demand are held in data sheet RE 29115.
| Hersteller-Nr | R900723645 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 43.200000 |
| Zolltarifnummer | 84812010 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
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