Products Description
Fisher 41B8558X0A2 Valve Trim Spare Component

Technical Specifications
Model:41B8558X0A2 Brand:Fisher Product Type: Control valve internal trim spare component
Module Feature
Fisher 41B8558X0A2 is precision alloy trim spare component for Fisher globe control valve. It matches with valve plug and cage to form complete throttling trim assembly. It has high mechanical strength,anti-corrosion and anti-erosion characteristics. Widely used in oil,gas,chemical and power plant process control valves.
Working principle: Valve trim positioning and auxiliary throttling Onboard components: Alloy mechanical body, locating pins, sealing washer
LED indicators
Not equipped
Hardware self-diagnosis
Visual inspection, dimensional measurement, surface wear inspection, trim assembly fit test
Programming software
No dedicated software required
Mechanical & Structure
Mounting: Installed inside globe control valve body Protection class:IP66
Environmental
Operating temperature:-40℃ ~ +425℃ Ambient humidity:5~95% non-condensing Certification:CE Status:Fisher valve trim spare part
System compatibility
Compatible with matched Fisher globe control valve trim set and pneumatic diaphragm actuator for industrial process control system.
Function
41B8558X0A2 is valve trim spare component manufactured by Fisher. It positions and supports internal valve trim, keeps coaxiality of plug and cage during valve stroke movement. It reduces mechanical friction and vibration during fluid throttling. It guarantees valve flow characteristic and seat sealing performance. It is key spare part for control valve trim overhaul.
Installation
Follow lockout/tagout safety procedure before installation. Isolate pipeline and release process pressure. Disassemble valve bonnet, replace old 41B8558X0A2 component. Verify coaxiality and sliding clearance of trim assembly. Reassemble valve and carry out hydrostatic test and seat leakage inspection.
Interface
Valve body internal locating structure, fixed mounting pins, no LED indicators on 41B8558X0A2.
Diagnostic
Valve internal leakage: Trim misalignment caused by worn spare component. Abnormal vibration noise: Loose trim assembly or component deformation. Valve sticking: Increased mechanical friction from worn trim parts.

Product Brief
41B8558X0A2 Fisher globe control valve internal trim spare component,matched with Fisher globe valve trim and pneumatic diaphragm actuator,used for industrial process control valve trim replacement and maintenance,valve trim mechanical spare part.