The Spirax Sarco EP6 is a digital electro-pneumatic positioner designed for precise control of pneumatic linear and rotary actuators. It accepts a 4–20 mA input signal with HART communication and provides accurate valve positioning with built-in diagnostics and auto-calibration. It is commonly chosen for steam and process control valves where reliable, low-maintenance digital control is required.
| Parameter | Specification |
|---|---|
| Input Signal | 4–20 mA DC + HART |
| Supply Air Pressure | 1.4–7 bar (20–100 psig) |
| Air Consumption | Very low (steady state) |
| Stroke | Linear up to 150 mm, rotary up to 90° |
| Accuracy | ±0.5% of span |
| Ambient Temperature | –20 °C to +80 °C |
| Enclosure Rating | IP66 |
| Housing Material | Aluminum |
| Approvals | ATEX, IECEx (optional) |
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