KHIA headerKnow-How in Action

VOL XXXII, NO 74

Belzona® Superwrap II Application Avoids Water Supply Interruption

 
 

Industry:

Water / Wastewater (WATR)

 
 

Application:

Valves, Pipes and Fittings (VPF)

 
 

Customer Location:

Water supply company, Tarragona, Spain

 
 

Application Date:

January 2017

 
 

Application Situation:

Potable water pipes at pumping station.

 
 

Problem:

Several pipes were suffering from significant external corrosion due to water leaks occurring through the sealing system between the pipes and the concrete walls of the tanks.

 
 

Products:

Belzona Superwrap II

Belzona 5811 (Immersion Grade)

Belzona 4131 (Magma Screed)

 

Substrate:

Carbon Steel

 
 

Application Method:

The application was carried out by theBelzona Distributor's staff trained and validated to design and apply ISO/ASME compliant wrap solutions. After the application of the Superwrap II system, Belzona 5811 was used to provide a smoother finish to the repair which eventually was coated with a blue polyurethane coating following the customer's specification for water pipes. The Concrete wall was rebuilt with Belzona 4131.

 
 

Belzona Facts:

Customer wanted an ISO/ASME compliant repair system able to stop the corrosion, return the mechanical strength back to the pipes and designed to provide a 20 year lifetime. The application online of the Belzona Superwrap II system avoided any water supply interruption. More than 30 other smaller compliant repairs were carried out at the same facility with Belzona Superwrap II.

 
 

Photographs Description

1. Potable water pipes of 1300mm diameter to be repaired 2. Surface preparation by grit blasting completed 3. Application of the Belzona Superwrap system underway 4. Job completed

 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 Case study pic four

 

 
 
For more information about Belzona visit: www.belzona.com