Through continued research and development, QP Hydraulics has designed the PVJS446, the premier hydraulic pilot control valve joystick for OEM mobile equipment such as cranes, wheel loaders, excavators and dozers. Integrating engineering and precision machining experience enables us to include unsurpassed features while maintaining economical pricing.
| Feature | Benefit | |
| 1. | Step Bore Technology | High-flow with low-effort for operator comfort |
| 2. | Flat-top plunger | No side loading on seal for longer life |
| 3. | Cartridge design | Low hysteresis and manufacturing flexibility |
| 4. | Spool dampening | High-response with precision and stability |
| 5. | All-ferrous spool and sleeve | No sticking in cold temperatures |
| 6. | Supply screen standard | Insurance against field maintenance problems |
| 7. | Modular design | Quick & easy modifications to meet OEM needs |
| 8. | Steel port plate | Aluminum body advantage with full torque capability |
| 9. | Port adapter design | Meet world-wide standards with lowered inventory |
| 10. | Integrated port check option | Economical solution to provide stable load lowering |
PVJS446 Specifications
Specifications for the QP pilot valve joystick PVJS446. This innovative 4-cartridge hydraulic remote control offers the flow and response of a 6 mm spool, but the low-efforts of a 4 mm spool.
| Max. input pressure | 100 bar |
| Nominal cont. flow | 20 lpm |
| Torque @ 15 bar | 0.9 Nm |
| Torque @ 30 bar | 1.5 Nm |
| Weight (less handle) | 1.5 kg |
| Fluid viscosity range | 7 to 3000 cSt |
| Normal hysteresis | < 1 % |