KHIA headerKnow-How in Action

VOL XXXII, NO 162

Belzona® Protects River Back-Flow Valves

 
 

Industry:

Water / Wastewater (WATR)

 
 

Application:

Valves, Pipes and Fittings (VPF)

 
 

Customer Location:

Water management company, Slovakia

 
 

Application Date:

2011

 
 

Application Situation:

River backflow valves at a water treatment plant. 

 
 

Problem:

The valves suffered from erosion and corrosion through continued use. The valve was so badly damaged that it leaked even when shut. 

 
 

Products:

Belzona 1111 (Super Metal) 

Belzona 5811 (Immersion Grade)

Belzona 2211 (MP Fluid Elastomer)

 

Substrate:

Iron

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflet VPF - 1. 

 
 

Belzona Facts:

A Belzona repair avoiding costly repairs or replacement. This repair got the valve back in operation faster than traditional methods and with minimal disruption to the plant operation.

 
 

Photographs Description

1. Leaking back-flow valve before reconstruction.

2. Valve after blasting.

3. Shut off flap coated with Belzona 5811 and Belzona 2211.

4. Valve back in operation.

 
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