ARI Armaturen
Control Valves
ARI-STEVI Smart 440-441
Pneumatic control valve for precise, modulating regulation of flow, pressure and temperature in demanding process lines.
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Technical Specifications
| Type | Control valve, straight-through (2-way) |
|---|---|
| Nominal size | DN15–250 |
| Pressure rating | PN16 / PN25 / PN40 |
| Body material | Cast iron, SG iron, cast steel, stainless steel |
| Temperature range | -60 °C to +450 °C |
| Actuator | Pneumatic or electric (fail-safe optional) |
Key Features
- Wide actuator choice, pneumatic, electric or fail-safe
- Stem protected by bellows; maintenance-free O-ring
- Multiple stem-sealing options up to 450 °C
- Explosion-proof actuator version available
