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Back pressure in the tank line distorts the pilot pressure. The 4WRZ16W8-180-7X/6EG24N9EK4/M therefore drains pilot oil through a line of its own, with internal supply, 180 l/min nominal flow and 350 bar maximum operating pressure.
Proportional Directional Valve 4WRZ16W8-180-7X/6EG24N9EK4/M - Bosch Rexroth R901477479
BOSCH REXROTH
Original product
Net price (excl. VAT)
€2,982.09
Item
BRR-R901477479
Manufacturer no.
R901477479
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901477479
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901477479
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The 4WRZ16W8-180-7X/6EG24N9EK4/M proportional directional valve takes pilot oil internally from the main channel and releases it through an external return. This keeps the pilot circuit independent of back pressure in the tank line.
Benefits
- Internal pilot oil supply, external pilot oil return against tank back pressure
- Without pressure reducing valve in the pilot stage
- Nominal flow 180 l/min, flow up to 460 l/min
- Spool symbol W8, 3 switching positions, size 16
- Maximum operating pressure 350 bar, weight 11.2 kg
- Electrical with external electronics, 24 VDC supply
Technical data
| Connection diagram | ISO 4401-07-07-0-05 |
| Max. flow | 460 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 180 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 | 16 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 11.2 kg |
Applications
Intended for systems with a long or filtered return line where noticeable back pressure builds up in the tank channel. The separate pilot return keeps the pilot stage reproducible. The subplate interface follows ISO 4401-07-07-0-05.
Manufacturer
Bosch Rexroth, material number R901477479, type 4WRZ16W8-180-7X/6EG24N9EK4/M with NBR seals. Characteristic curves, installation dimensions and tightening torques are in data sheet RE 29115.
| Hersteller-Nr | R901477479 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 11.200000 |
| 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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