The classic electro-pneumatic positioner setup for accurate valve positioning
The Fisher 3620J is an electro-pneumatic positioner, and the 3582i is the I/P converter that goes with it. Together they take a 4-20 mA signal and move the valve stem precisely. Many plants use this combination on control valves because it's proven, easy to maintain, and works well in standard industrial environments. The 3582i converts the electrical signal to pneumatic, and the 3620J does the positioning.
| Input Signal | 4-20 mA DC |
| Air Supply | 20-100 psig |
| Output | Pneumatic to actuator |
| Action | Direct acting |
| Temperature Range | -40 to 85 °C |
| Enclosure | NEMA 4X, IP66 options |
| Materials | Aluminum housing |
Q: What is the 3582i?
A: It's the I/P converter part.
Q: Does it need separate air for I/P?
A: No, uses the same supply.
Phone/WeChat/WhatsApp: +8615000725058
Email: edwardzhao@gbsxj.com
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