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  2. Ductile iron pipe - Wikipedia

    en.wikipedia.org/wiki/Ductile_iron_pipe

    No current AWWA standards are available for bonded coatings (zinc, coal tar epoxy, tape-wrap systems as seen on steel pipe) for ductile iron pipe, DIPRA does not endorse bonded coatings, and AWWA M41 generally views them unfavourably, recommending they be used only in conjunction with cathodic protection. [21]

  3. American Water Works Association - Wikipedia

    en.wikipedia.org/wiki/American_Water_Works...

    Currently, there are over 150 AWWA Standards covering filtration materials, treatment chemicals, disinfection practices, meters, valves, utility management practices, storage tanks, pumps, and ductile iron, steel, concrete, asbestos-cement, and plastic pipe and fittings. [5] Standing committees periodically review and update the standards as ...

  4. American Cast Iron Pipe Company - Wikipedia

    en.wikipedia.org/wiki/American_Cast_Iron_Pipe...

    American Cast Iron Pipe Company is a manufacturer of ductile iron pipe, spiral-welded steel pipe, fire hydrants, and valves for the waterworks industry, and electric-resistance-welded steel pipe for the oil and natural gas industry.

  5. Cast iron pipe - Wikipedia

    en.wikipedia.org/wiki/Cast_iron_pipe

    Cast iron pipe formed using this procedure was typically oven-cooled under controlled time and temperature conditions. As with metal molds, pipe was typically annealed to eliminate any stresses in the pipe, and were then cleaned, inspected, tested, gauged (for dimensions), coated internally and/or externally, and stored for use. [5]

  6. Prestressed concrete cylinder pipe - Wikipedia

    en.wikipedia.org/wiki/Prestressed_concrete...

    PCCP is typical manufactured according to the American Water Works Association (AWWA) standard C304. [1] PCCP is a composite structure that is composed of a concrete core, high-tensile prestressed steel wires, a thin steel cylinder, and mortar coating. [2] It is widely used globally in water systems infrastructure. [3]

  7. Piping and plumbing fitting - Wikipedia

    en.wikipedia.org/wiki/Piping_and_plumbing_fitting

    Steel pipe is often joined with threaded connections; tapered threads are cut into the end of the pipe, and sealant is applied in the form of thread-sealing compound or thread seal tape (also known as PTFE or Teflon tape) and the pipe is screwed into a threaded fitting with a pipe wrench. Threaded steel pipe is widely used in buildings to ...

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