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About This Item

 

Full Description

This standard covers the special protective interior coatings for valves and hydrants used in the waterworks industry. The standard covers the material, application, and performance requirements for these special interior coatings. The coating shall be either a liquid or powder epoxy system and shall not contain coal tar. These coatings are applied to interior ferrous surfaces of valves and hydrants intended for use in drinking water systems where corrosion protection is specified. The history of the standard, acceptance, information regarding use of this standard, and major revisions are covered in the foreword. Section 1 discusses scope, definitions, affidavit or certificate of compliance, and references. Section 2 discusses materials including coating material. Section 3 discusses coating process including surface preparation, coating application, and coating system qualification. Section 4 on testing and inspection includes qualification testing and production testing. Section 5 on special testing covers holiday testing. Section 6 covers inspection and rejection including basis for rejections. Section 7 covers shipping, handling, and storage precautions.
 

Document History

  1. AWWA C550-13


    Protective Epoxy Interior Coatings for Valves and Hydrants

    • Most Recent
  2. AWWA C550-05


    Protective Epoxy Interior Coatings for Valves and Hydrants

    • Historical Version
  3. AWWA C550-01

    👀currently
    viewing


    Protective Epoxy Interior Coatings for Valves and Hydrants

    • Historical Version
  4. AWWA C550-90


    Protective Epoxy Interior Coating for Valves and Hydrants

    • Historical Version