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With raised tank pressure the pilot oil belongs in a separate drain. This build of the 4WRZE16W8-180-7X drains it externally, is driven by 4...20 mA and carries 180 l/min nominal flow at 350 bar operating pressure.
Proportional Directional Valve 4WRZE16W8-180-7X/6EG24N9EK31/F1D3V - Bosch Rexroth R901403919
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,416.46
Item
BRR-R901403919
Manufacturer no.
R901403919
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901403919
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901403919
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When the return line is under pressure, it falsifies the pilot stage of a directional valve. This build of the 4WRZE16W8-180-7X therefore drains pilot oil externally, takes its command value as 4...20 mA and provides 180 l/min nominal flow at up to 350 bar.
Benefits
- External pilot oil return keeps the pilot stage independent of back pressure in the tank line.
- 180 l/min nominal flow and 460 l/min maximum flow in size 16.
- Internal pilot oil supply saves an extra pressure line to the valve block.
- A 4...20 mA current command value with on-board electronics on a 24 VDC supply.
- A pressure reducing valve inside the body provides steady pilot pressure.
- 12.21 kg mass, FKM seals and UKCA marking under SI2016/1091.
Technical data
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| 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 |
| Conformity | UKCA |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value 4...20 mA |
| 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 | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 12.21 kg |
Application
The version makes sense wherever several valves work into a shared return that builds noticeable back pressure. Common places are press blocks and test rig manifolds. Concealed auxiliary actuation remains reachable for service work.
Manufacturer
Bosch Rexroth, material number R901403919. Characteristic curves and installation dimensions are given in the data sheet Proportional directional valve, pilot-operated (RE 29115) and Hydraulic valves and hydro- (RE 07600-B).
| Weight | 12.210000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901403919 |
| 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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