The Neles NDX Valve Positioner is a precision-engineered smart controller that sets the standard for diagnostics and performance in valve automation. Designed for rotary and linear actuators, it features self-calibration, HART communication, and comprehensive diagnostics to monitor valve health in real-time. Optimized for all control valves, the NDX ensures accurate positioning and fast response, reducing process variability. Ideal for chemical, oil and gas, and power industries, its modular design and IP66 enclosure deliver reliable, low-maintenance operation in harsh environments.
| Parameter | Specification |
|---|---|
| Input Signal | 4-20 mA HART |
| Supply Pressure | 1.4-8 bar (20-115 psig) |
| Stroke Range | Linear: 10-100 mm; Rotary: 90-120° |
| Accuracy | ±0.1% full scale |
| Temperature Range | -40°C to +85°C (-40°F to +185°F) |
| Enclosure Rating | IP66/NEMA 4X |
| Certifications | SIL 2, ATEX, IECEx, FM, CSA |
| Air Consumption | Low (optimized) |
Self-calibration and HART ensure accurate positioning.
Yes, ATEX, IECEx, FM, CSA certified.
Real-time monitoring via HART or software.
Rotary and linear, single/double-acting.
Modular design and self-calibration simplify setup.