Belzona Restores Valves To Better Than New Condition

Industry:

Pulp & Paper (PLPR)

Application:

Valves, Pipes and Fittings (VPF)

Customer Location:

Paper Mill in Northwest Florida, U.S.A.

Application Date:

1992

Application Situation:

Swing pin housings of non-return check valves.

Problem:

Housing had eroded/corroded to the point where the valve flap would not seat (seal) properly, allowing partial flow in the wrong direction

Products:

Belzona® 1111 (Super Metal)

Belzona® 9411 (Release Agent)

Substrate:

Cast iron

Application Method:

The application was carried out in accordance with Belzona Know-How Leaflet VPF-7.

Belzona Facts:

The customer averted costly replacement or welding and line boring. Several valves were repaired. New flappers were installed and the inside of the valve bodies were rebuilt with Belzona® 1111 (Super Metal).

Photographs Description

1. Corroded housing.  
2. Molding technique using fabricated dummy pin, Belzona® 1111 (Super Metal) and Belzona® 9411 (Release Agent) are employed.  
3. Finished repair.