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VOL XII, NO 35

Belzona® Repairs To Large Rubber Lined Valve

 
 

Industry:

Power (POWR)

 
 

Application:

Valves, Pipes and Fittings (VPF)

 
 

Customer Location:

Power Station in Thailand.

 
 

Application Date:

May 1996

 
 

Application Situation:

78-inch butterfly valve from cooling water system.

 
 

Problem:

Premature failure of vulcanised rubber lining allowed severe erosion-corrosion of underlying steel after just three months in service.

 
 

Products:

Belzona® 2111

Belzona® 2121

 

Substrate:

Cast iron.

 
 

Application Method:

Application was carried out in accordance with Belzona® system leaflets VPF-1 & 2 and GSS-1.

 
 

Belzona Facts:

The use of Belzona Elastomers allowed repairs to be carried out quickly on-site thus minimising disruption to the plant.

 
 

Photographs Description

  1. Condition of the valve after just three months in service 
  2. Close-up of Belzona application showing encapsulation of bolts on valve disc 
  3. Completed application.
 
 
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For more information about Belzona visit: www.belzona.com