KHIA headerKnow-How in Action

VOL XXV, NO 70, ELITE

Belzona® Superwrap Seals Weeping Storage Tank

 
 

Industry:

Power (POWR)

 
 

Application:

Valves, Pipes and Fittings (VPF)

 
 

Customer Location:

Energy Company

 
 

Application Date:

April, 2009

 
 

Application Situation:

220 foot diameter 56 foot high storage tank containing fuel oil at 140°F max. temperature.

 
 

Problem:

Vertical weld was found to be very porous and fuel oil was weeping from a 2 mm through wall defect. No corrosion or thin wall area was detected. Defect was located at 30 feet from the ground level.

 
 

Products:

Belzona® Superwrap

 

Substrate:

Mild Steel

 
 

Application Method:

SuperWrap composite system was applied in compliance with ISO/TS 24817 and ASME PCC-2. Belzona® Superwrap composite repair system was applied at 10 mm thickness and over a 100 x 355mm area.

 
 

Belzona Facts:

The repair was completed without resort to hotwork. Belzona® Superwrap System was inspected in 2010 and found to be in perfect condition.

 
 

Photographs Description

  1. Damaged area 
  2. Area prepared by abrasive blasting 
  3. Belzona® SuperWrap application 
  4. Belzona® SuperWrap repair inspected and painted over
 
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