Belzona Coats Six Chillers at an Airport
KHIA ID: 7889Industry: Buildings & Structures (BSTR)
Application: HEX-Heat Exchangers (HEX)
Substrate: Carbon Steel, Copper tubesCustomer Location: Israel
Application Date: 2015Products:Belzona 1111 (Super Metal)
Belzona 1331
Belzona 9111 (Cleaner/Degreaser)
Problem: Maintenance service of an International airport experienced problem with six chillers that covered all cooling needs for the entire facility. All units were in service for the period from 5 to 10 years and suffered from extensive corrosion on covers and water boxes, that also led to gas losses and leaks through tube sheets on two units out of six.
Photograph Descriptions
- One of the units in its original state
- Rubber corks inserted before blasting on a heavy corroded tubesheet
- Application of the Belzona system
- Complete repair and a final coat of Belzona 1331
Application Situation
6 chillers at an international airport.Application Method
Rubber corks were used at the first stage to protect internals of copper pipes from abrasive cleaning and on the second stage preformed as molds for the Belzona 1111/1331 system. The system was under force vacuum before applying Belzona products in order to seal the gas leaks, an injection pistol was used to make sure the deep gaps between the pipes are completely filled with product.Belzona Facts
Customer was timely convinced to go for Belzona repair and protection of six chillers that supported the entire airport cooling system, avoiding potential interruptions of air-conditioning in a highly important facility located in hot climate zone.Belzona Distributor was first called in to provide a solution for gas leaks but after getting to the root cause of the problem, the customer was convinced that that the complete Belzona repair solution was the best option that would not only stop the gas leaks but would save units from an imminent failure and provide a long-term protection.