The Neles ND9000 from Valmet is a premium intelligent valve controller engineered for superior performance across rotary and linear control valves in diverse industrial settings. It ensures consistent end-product quality through advanced diagnostics and robust features, supporting both single and double-acting actuators. With compatibility for HART, FOUNDATION Fieldbus, and Profibus PA communications, it offers seamless integration into modern control systems. Designed for harsh environments, it features IP66 protection and options like stainless steel enclosures, making it a future-proof solution with lifetime support.
| Parameter | Details |
|---|---|
| Travel Range | Linear: 10–120 mm; Rotary: 45–95° (measurement up to 110°) |
| Supply Pressure | 1.4–8 bar (20–115 psi) |
| Air Quality | ISO 8573-1: Solids Class 5, Humidity Class 1, Oil Class 3 |
| Ambient Temperature | -40°C to +85°C (standard); -53°C to +85°C (arctic) |
| Enclosure | IP66/NEMA 4X; Materials: Aluminum alloy/polymer (ND9100/9200), Stainless steel (ND9300/9400) |
| Electronics (HART) | 4–20 mA loop-powered; Min signal 3.6 mA; Load voltage up to 9.7 VDC/20 mA |
| Electronics (FF/Profibus) | 9–32 VDC; Max basic current 17.2 mA |
| Performance | Dead band ≤0.1%; Hysteresis <0.5% |
| Weight | 1.8 kg (ND9100) to 8.6 kg (ND9300) |
| Approvals | ATEX, IECEx, cCSAus, INMETRO; Ex ia, Ex d, etc., up to SIL 3 for some options |
The ND9000 is versatile for all industry sectors, including oil & gas, chemicals, pulp & paper, and water treatment. It excels in continuous and on-off control applications, ensuring precise flow regulation in harsh conditions. Ideal for safety-related systems (up to SIL 3) and distributed control environments using fieldbus networks.
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