Proportional Directional Valve 4WRZE16E180-7X/6EG24N9K31/A1D3M - Bosch Rexroth R901421642
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Some machines run their main pump nearly unloaded for part of the cycle, yet the pilot valve still needs pilot pressure. That is why this size 16 valve has both pilot oil supply and pilot oil return routed externally, at 180 l/min nominal flow with a ±10 V command value.
Key benefits
- External pilot oil supply allows a separate control circuit at constant pressure, independent of the main pump.
- External pilot oil return keeps back pressure from the main gallery away from the pilot stage.
- 180 l/min nominal flow, 460 l/min maximum, 350 bar operating pressure.
- Spool symbol E with three switching positions and four ports, driven by an analog ±10 V signal.
- 12.56 kg, NBR seals, HL hydraulic fluid, ISO 4401-07-07-0-05 connection pattern.
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 ±10 V |
| 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 E |
| Operating pressure, max. | 350 bar |
| Size | 16 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 12.56 kg |
Applications
This version makes sense on power units with a fixed pump for the control circuit and a variable pump for the working movement. It also keeps the pilot stage supplied in accumulator systems where system pressure swings widely. Both control ports must be connected during installation or the valve will not shift.
Manufacturer
Bosch Rexroth, material number R901421642, product family 4WRZ(E). The required pilot pressure range is stated in data sheet RE 29115, RE 07600-B lists the related series.
| Hersteller-Nr | R901421642 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 12.560000 |
| Zolltarifnummer | 84812010 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
