BELZONA REPAIRS 30 YEAR OLD VALVES

KHIA ID: 194
Industry: Water / Wastewater (WATR)
Application: VPF-Valves, Pipes and Fittings (VPF)
Substrate: Cast Steel
Customer Location: Major irrigation district in central California, U.S.A.
Application Date: August 1999
Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1341 (Supermetalglide)

Belzona® 5811 (Immersion Grade)


Problem: After 30 years of use, valves demonstrated severe damage from erosion-corrosion.
Photograph Descriptions
  1. Valves being inspected.  
  2. Internal surfaces being protected with Belzona® 1341 (Supermetalglide). 
  3. External surfaces are coated with Belzona® 5811 (Immersion Grade).  
  4. Completed valve, assembled and ready for service.
Application Situation
Valves controlling flow of water pumped from central valley project to supply a small town and surrounding farm land.
Application Method
Application was carried out out in accordance with Belzona Know-How Leaflets VPF-1 and VPF-2.
Belzona Facts
Replacement parts for these valves are no longer available. Belzona provided the only effective solution, saving the cost of complete replacement.