Valmet's Neles ND9000 is a microcontroller-based, loop-powered intelligent valve controller optimized for precise positioning in pneumatic actuators. It integrates contactless sensors for position, pressure, and spool measurements, enabling advanced control algorithms. Supporting HART 6/7, FOUNDATION Fieldbus (ITK 6.1.2 certified), and Profibus PA (PNO certified), it ensures interoperability and backup LAS functionality in fieldbus setups. Built for reliability in extreme conditions, it features modular design for easy upgrades and predictive maintenance tools.
| Parameter | Details |
|---|---|
| Pneumatic Capacity | 5.5–38 Nm³/h at 4 bar (spool 2–6) |
| Consumption | <0.6–1.0 Nm³/h steady state |
| Influence Factors | Temp: 0.5%/10°K; Supply pressure: <0.1% at 10% difference; Vibration: <1% |
| Position Transmitter | 4–20 mA, 12–30 VDC; Resolution 16-bit; Linearity <0.05% FS |
| FF Block Times | AO/PID: 20 ms; DI/IS/OS: 15 ms |
| Enclosure Weights | ND9100: 1.8 kg; ND9200: 3.4 kg; ND9300: 8.6 kg; ND9400: 5.6 kg |
| Protection | IP66; Pneumatic ports G1/4 or 1/4 NPT; Cable M20x1.5 or 1/2 NPT |
| Certifications | ATEX II 1G Ex ia IIC T6; IECEx Ex d IIC T6; INMETRO Ex tb IIIC; cCSAus Class I Div 1 |
Suited for demanding process industries requiring high reliability, such as petrochemicals, power generation, and mining. Used in throttling and on/off services, safety loops (SIL 3 with qualified interfaces), and fieldbus-based distributed control for flow, pressure, and level regulation.
Phone/WeChat/WhatsApp:
+8613916209596
Email: svetama@gbsxj.com
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