Products Description
Fisher 39A4813X012 Valve Spare Component

Technical Specifications
Model:39A4813X012 Brand:Fisher Product Type: Control valve actuator spare component
Module Feature
Fisher 39A4813X012 is precision mechanical spare component for Fisher pneumatic control valve actuator assembly. It cooperates with Fisher actuator and valve positioner to ensure consistent valve stroke feedback. It uses anti-corrosion alloy material with excellent wear resistance. Widely applied in oil,gas,chemical and power plant process control valves. Working principle: Mechanical auxiliary transmission Onboard components: Alloy mechanical part, sealing washer, fixing fasteners
LED indicators
Not equipped
Hardware self-diagnosis
Visual inspection, dimensional check, stroke movement inspection, sealing performance test
Programming software
No dedicated software required
Mechanical & Structure
Mounting: Installed inside valve actuator assembly Protection class:IP66
Environmental
Operating temperature:-40℃ ~ +85℃ Ambient humidity:5~95% non-condensing Certification:CE Status:Fisher control valve spare part
System compatibility
Compatible with Fisher pneumatic diaphragm actuator and valve positioner for industrial process control system.
Function
39A4813X012 is control valve spare component manufactured by Fisher. It maintains stable mechanical transmission inside actuator assembly, reduces vibration and stroke deviation during modulating control. It improves positioning repeatability of control valve. It is essential spare part for valve actuator maintenance and overhaul.
Installation
Follow lockout/tagout safety procedure before installation. Cut off instrument air supply. Disassemble actuator housing, replace the old 39A4813X012 component. Check mechanical clearance and sealing condition. Reassemble actuator, restore instrument air and run valve stroke calibration test.
Interface
Actuator internal mounting structure, fixed mounting holes, no LED indicators on 39A4813X012.
Diagnostic
Valve stroke unstable: Worn spare component or loose fastener. Mechanical vibration: Component deformation or abnormal installation clearance. Valve sticking: Foreign matter jam or component aging.

Product Brief
39A4813X012 Fisher control valve spare component,matched with Fisher pneumatic actuator and valve positioner,used for industrial process control valve maintenance,valve spare part.