Legacy units often require specific kits to prevent air leaks or sluggish response.
The Fisher 3560 operates on a force-balance principle to modulate supply pressure to a control valve actuator.
Legacy units often require specific kits to prevent air leaks or sluggish response.
The Fisher 3560 operates on a force-balance principle to modulate supply pressure to a control valve actuator. Fisher 3560 Valve Positioner Manual Pdf