The Neles ND9000 Series is a cutting-edge OEM customized pneumatic diaphragm valve positioner designed for precise control of linear and rotary valves. As a HART-enabled smart valve controller, it integrates advanced diagnostics and adaptive control algorithms to optimize process performance across industries. This digital valve controller supports both single and double-acting actuators while offering seamless communication through HART protocol, making it ideal for modern process automation systems.
| Parameter | Specification |
|---|---|
| Input Signal | 4-20 mA (supports HART 6/7) |
| Output Pressure Range | 0.2-1.0 bar (3-15 psi) |
| Actuator Compatibility | Pneumatic diaphragm/cylinder (linear 10-120mm, rotary 45-95°) |
| Communication Protocol | HART 7, Foundation Fieldbus, PROFIBUS PA |
| Protection Class | IP66 / NEMA 4X |
| Temperature Range | -40°C to +85°C (-40°F to +185°F) |
| Power Supply | 24V DC (loop-powered) |
| Response Time | <0.25 seconds (typical) |
| Weight | 2.8 kg (6.2 lbs) |
Adaptive Control Technology
Advanced Diagnostics
Rugged Construction
User-Friendly Interface
Safety Compliance
Process Industries: Oil & gas, chemical processing, power generation
Valve Types: Globe, butterfly, ball valves (linear/rotary)
Automation Systems: Integration with DCS/PLC via HART/Foundation Fieldbus
Critical Services: Emergency shutdown (ESD), high-pressure applications
Phone: +8615000725058 (WeChat/WhatsApp supported)
Email: edward.zhao@gongboshi.com
Website: https://www.shgongboshi.com/contactus.html
