Belzona Restores the Sealing of a Butterfly Valve
Industry: Heating, Ventilation & Air Conditioning (HVAC)
Application: FBC-Fans, Blowers and Compressors (FBC)
Substrate: Steel
Customer Location: France
Application Date: November 2015
Products:
Belzona 1341 (Supermetalglide)
Belzona 2111 (D & A Hi-Build Elastomer)
Problem: The erosion in the pipe damaged the rubber coating causing a seal to no longer operate correctly as it no longer sat flush with the surface.
Photograph Descriptions
- Overview of the pipe
- After surface preparation
- During the application
- Final application
Application Situation
Disk of a butterfly valve situated within a pipe of an air-condenser.
Application Method
The surfaces were first prepared by grinding. Then, Belzona 1341 was applied to the whole lens surface. The inside of the pipe was rebuilt using Belzona 2111 to ensure a good sealing with the disk. The application was carried out in accordance with a odified version of Belzona System Leaflet FBC - 11.
Belzona Facts
The whole application took 3-4 days and was done directly in-situ without having to dismantle the disk from the valve.
