Neles ND9000 Series Intelligent Valve Positioner ND9106HX8T Aluminum Stainless Steel Valve Controller with Diagnostics
The Neles ND9000 is a next-generation intelligent valve controller engineered for ultimate reliability and performance in severe service applications. Supporting HART 7, FOUNDATION Fieldbus, and Profibus PA, it delivers ±0.35% positioning accuracy with comprehensive online predictive diagnostics through Neles Valve Manager. The patented low-bleed pneumatic relay consumes less than 0.15 Nm³/h in steady state, while the non-contact linear/rotary sensor ensures lifelong precision. With SIL 3 certification, IP66/IP67 enclosure, and extreme temperature options (-55°C to +90°C), the ND9000 is the benchmark for safety-critical control in LNG, nuclear, and offshore environments.
- Predictive Diagnostics: Real-time friction, stiction, and performance indexing.
- Ultra-Low Bleed: less than 0.15 Nm³/h steady-state consumption.
- SIL 3 Certified: Full safety loop capability.
- HART 7 / FF / Profibus PA: Seamless DCS integration.
- Non-Contact Sensing: Magnetic technology, zero wear.
- FDT/DTM Certified: Open software compatibility.
- Extreme Temperature: -55°C to +90°C operation.
- Local Touchscreen: Intuitive color display with guided setup.
| Parameter | Specification |
|---|---|
| Input Signal | 4-20 mA HART 7 / FF H1 / Profibus PA |
| Positioning Accuracy | ±0.35% of span |
| Air Supply | 1.4–8 bar (20–115 psig) |
| Air Consumption | less than 0.15 Nm³/h (steady), less than 2.5 Nm³/h (dynamic) |
| Temperature Range | -55°C to +90°C |
| Enclosure | IP66/IP67, NEMA 4X |
| Hazardous Area | ATEX, IECEx, FM, CSA, NEPSI (IS/Ex d) |
| SIL Capability | SIL 3 (IEC 61508) |
| Diagnostics | Valve Manager (advanced signature, PST, performance metrics) |
| Weight | 3.0 kg (aluminum), 6.5 kg (316L SS) |
- LNG Liquefaction: Cryogenic control and ESD valves.
- Nuclear Power: Safety-related isolation and regulation.
- Offshore Platforms: HIPPS and subsea tiebacks.
- Petrochemical: Ethylene cracker furnace control.
- Hydrogen Processing: High-purity compression loops.
SIL 3 per IEC 61508 with certified FMEDA.
less than 0.15 Nm³/h in steady state — industry-leading.
Yes, fully certified Profibus PA profile 3.02.
Yes, certified down to -55°C with low-temp option.
Friction analysis, stiction index, step response, and health scoring.
For more information about the Neles ND9000, pricing, or to request a demo, contact our team:
- Email: edwardzhao@gbsxj.com
- Phone: +8615000725058
- ND7000: Cost-effective digital positioner.
- Valve Manager Pro: Enterprise diagnostic software.
- Neles N-Series Valves: Metal-seated severe service.
- Reliability Services: Lifecycle performance programs.
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