The is a legacy pneumatic instrument known for its high-precision control in throttling applications. While largely superseded by newer "smart" digital positioners, it remains a reliable workhorse in many industrial plants today. Fisher 3560 Series Review 1. Reliability & Build Quality
Minimum 3 psig above required actuator pressure; Maximum up to 100 psig (6.9 bar) depending on the construction. Fisher 3560 Valve Positioner Manual Pdf
Understanding the performance limits of the 3560 series is critical for safe operation: Fisher 3560 Valve Positioner The is a legacy
: It typically accepts a standard 3 to 15 psig pneumatic signal and provides a pneumatic output pressure to the actuator. Reliability & Build Quality Supply Pressure: Minimum 3
Fisher is a brand of Emerson. This is the gold standard source.
: It receives a standard pneumatic signal (typically 3 to 15 psig or 6 to 30 psig) from a controller.