Neles ND7000 is an intelligent digital valve positioner designed for both rotary and linear control valves across a wide range of industrial applications. Powered by a 4–20 mA loop signal, the ND7000 delivers precise valve positioning, fast response, and reliable diagnostics to improve process efficiency and minimize variability.
The device supports single-acting and double-acting actuators and features advanced self-diagnostics, contactless position sensing, and robust IP66 protection. Its modular architecture allows easy integration with modern DCS and asset management systems through HART communication.
| Parameter | Specification |
|---|---|
| Product Type | Digital Valve Controller |
| Input Signal | 4–20 mA with HART |
| Power Supply | Loop Powered |
| Communication Protocol | HART 6 / HART 7 |
| Valve Type | Rotary & Linear |
| Actuator Type | Single & Double Acting |
| Travel Range (Linear) | 10–120 mm |
| Rotation Range | 45–95° |
| Protection Class | IP66 / NEMA 4X |
| Operating Temperature | -40°C to +85°C |
| Supply Pressure | 1.4–8 bar |
| Pneumatic Connections | G1/4 or 1/4 NPT |
| Position Accuracy | Dead band ≤0.1% |
| Hysteresis | <0.5% |
| Air Consumption | <0.6 Nm³/h |
| Housing Material | Anodized Aluminum Alloy |
| Communication | Local UI + Remote Configuration |
| Certifications | ATEX, IECEx, INMETRO, CCC |
| Weight | 1.8 kg (ND7100), 3.4 kg (ND7200) |
The Neles ND7000 digital valve controller is widely used in:
It is especially suitable for critical control loops requiring stable and accurate valve performance.
The ND7000 supports HART communication for remote diagnostics, calibration, and configuration.
Yes. The controller is designed for both rotary and linear valve applications.
Yes. Multiple hazardous area certifications are available, including ATEX, IECEx, INMETRO, and CCC approvals.
No. The device is loop-powered through the 4–20 mA control signal.
The controller includes self-diagnostics, deviation trend monitoring, counters, and offline testing functions.
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