| Attribute | Value |
|---|---|
| Type | Pneumatic diaphragm actuator |
| Operating pressure | 3.0 - 4.2 bar /44 - 60 psi |
| Output thrust | 1890 - 22800 N / 424 - 5125 lb.f |
| Series | VD - linear single acting |
| Temperature range | -55 ...+85 °C / -67 ...+185 °F |
| Spring range options | General spring 0.8 bar - 2.6 bar (11 psi - 37 psi) |
The Neles VD Series Pneumatic Linear Diaphragm Actuator, combined with the NDX Smart Valve Positioner, forms a high-precision control solution for industrial valves. Designed for modulating control and on-off service, this system excels in harsh environments with its stainless steel construction, IP67 protection, and HART/FF communication protocols.
| Parameter | Specification |
|---|---|
| Actuator Type | Pneumatic linear diaphragm |
| Thrust Range | 1,890-22,800 N |
| Operating Pressure | 3.0-4.2 bar (44-60 psi) |
| Temperature Range | -55…+85°C (-67…+185°F) |
| Positioner Accuracy | ±0.5% of span |
| Communication | HART, Foundation Fieldbus |
| Protection Class | IP67/NEMA 6P |
| Power Supply | 24V DC (positioner) |
