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  2. Piping and plumbing fitting - Wikipedia

    en.wikipedia.org/wiki/Piping_and_plumbing_fitting

    Push-to-pull fittings are easily removed compression fitting that allows pipes to be connected with minimal tools. These fittings are similar to regular compression fittings but use an O-ring for sealing and a grip ring to hold the pipe. The main advantage is that it can easily be removed and re-used, it is easy to assemble, and the joints are ...

  3. Compression fitting - Wikipedia

    en.wikipedia.org/wiki/Compression_fitting

    A compression fitting 15 mm isolating valve. A compression fitting is a fitting used in plumbing and electrical conduit systems to join two tubes or thin-walled pipes together. . In instances where two pipes made of dissimilar materials are to be joined (most commonly PVC and copper), the fittings will be made of one or more compatible materials appropriate for the connect

  4. Copper tubing - Wikipedia

    en.wikipedia.org/wiki/Copper_tubing

    Generally, copper tubes are soldered directly into copper or brass fittings, although compression, crimp, or flare fittings are also used. Formerly, concerns with copper supply tubes included the lead used in the solder at joints (50% tin and 50% lead). Some studies have shown significant leaching of the lead into the potable water stream ...

  5. Brass - Wikipedia

    en.wikipedia.org/wiki/Brass

    Also in California, lead-free materials must be used for "each component that comes into contact with the wetted surface of pipes and pipe fittings, plumbing fittings and fixtures". On 1 January 2010, the maximum amount of lead in "lead-free brass" in California was reduced from 4% to 0.25% lead. [16] [17]

  6. Solder ring fitting - Wikipedia

    en.wikipedia.org/wiki/Solder_ring_fitting

    Yorkshire fittings are made with lead-free solder. The fittings come in a variety of configurations, such as tee-pieces, straight couplers, elbows or bends, reducers (to join pipes of different diameters), stop-ends, and there are versions with screw threads (male or female) at one end to fit taps and iron pipes.

  7. Plumbing - Wikipedia

    en.wikipedia.org/wiki/Plumbing

    Due to its toxicity, most cities moved away from lead water-supply piping by the 1920s in the United States, [36] although lead pipes were approved by national plumbing codes into the 1980s, [37] and lead was used in plumbing solder for drinking water until it was banned in 1986. [36] Drain and vent lines are made of plastic, steel, cast iron ...

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