BELZONA PROTECTS RUBBER PIPES AT WWTP FROM UV ATTACK

KHIA ID: 681
Industry: Water / Wastewater (WATR)
Application: VPF-Valves, Pipes and Fittings (VPF)
Substrate: Rubber pipe with stainless steel flanges
Customer Location: Wastewater Treatment Plant, BC, Canada
Application Date: August 2004
Products:

Belzona® 3211 (Lagseal)

Belzona® 3921 (GSC Conditioner)

Problem: UV attacks the rubber over a period of time causing it to degrade and eventually become brittle.
Photograph Descriptions
  1. Preparation of flexible hoses in progress. All pipes are tightly wrapped with a polythene film to prevent bleed through of the pitch from the rubber component.
  2. The flanges are ground and coated with Belzona® 3921 GSC Conditioner.
  3. Application of Belzona® 3211 in progress. Belzona® 9311 Reinforcement cloth is incorporated into the 1st coat.
  4. Completed application.
Application Situation
Flexible rubber transfer pipes on digester
Application Method
Application carried out in accordance with a modified version of Belzona System Leaflet VPF-12.
Belzona Facts
This application has provided protection on similar pipes for more than 10 years. The life of unprotected pipes was 3-5 years.
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