The Flowserve Logix 420 is a digital electro-pneumatic positioner designed for reliable control of pneumatic actuators on linear and rotary valves. It uses HART communication and offers straightforward local calibration, making it suitable for general process applications where accurate positioning and basic diagnostics are required.
| Parameter | Specification |
|---|---|
| Input Signal | 4–20 mA DC |
| Communication | HART |
| Supply Air Pressure | 30–150 psig (2–10 bar) |
| Air Consumption | Low steady state |
| Air Capacity | High output capacity |
| Linearity | < ±1.0% FS |
| Repeatability | < 0.2% FS |
| Operating Temperature | –40 °C to +80 °C |
| Enclosure Rating | NEMA 4X / IP66 |
| Housing Material | Aluminum or stainless steel |
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