Health District HVAC Tube Sheet Repaired with Belzona

KHIA ID: 7753

Industry: Heating, Ventilation & Air Conditioning (HVAC)
Application: HEX-Heat Exchangers (HEX)
Substrate: Carbon steel

Customer Location: New Zealand
Application Date: August 2018

Products:
Belzona 1111 (Super Metal)

Belzona 1321 (Ceramic S-Metal)

Problem: THe tube sheet was severely corroded.

Photograph Descriptions

Corroded tube sheet before application.

Tube sheet after blasting.

Belzona 1111 application onto the tube sheet.

Completed apllication.

Application Situation

A tube sheet of an HVAC system of New Zealand's biggest district health board. A severely corroded tube sheet in a district health board.

Application Method

The application was carried out in accordance with Belzona Know-How System Leaflets HEX-1, HEX-2

Belzona Facts

The tube sheet was undergoing severe corrosion. The Customer's initial plan was to replace the entire tube sheet. Belzona methodology was presented as an alternative approach.The methodology was selected due to similar successful applications being done across the country for different industries. Belzona 1111 was used for rebuilding and Belzona 1321 was used for corrosion protection. These products were chosen as they had a short curing time.

View PDF

Download PDF