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2. Cross-linked polyethylene - Wikipedia

   en.wikipedia.org/wiki/Cross-linked_polyethylene

   PEX connections can be made by pushing two matching parts together using a compression fitting, or by using an adjustable wrench or a special crimping tool. [16] Generally, fewer connections and fittings are needed in a PEX installation. [15] Non-corrosive. Unlike copper, PEX is not subject to corrosion when exposed to minerals or moisture. [15]

3. Plumbing - Wikipedia

   en.wikipedia.org/wiki/Plumbing

   Aqua – known as PEX-Al-PEX, for its PEX/aluminum sandwich, consisting of aluminum pipe sandwiched between layers of PEX, and connected with modified brass compression fittings. In 2005, many of these fittings were recalled. [further explanation needed]

4. Talk:Cross-linked polyethylene - Wikipedia

   en.wikipedia.org/wiki/Talk:Cross-linked_polyethylene

   Al Gilbert and Frank Precopio invented PEX in March 1963 in the GE Research Laboratory located in Niskayuna, New York. In this process, the long-chain polyethylene molecules cross-link during a curing (vulcanization) process to form a material that has electrical characteristics that are similar to thermoplastic polyethylene, but with better ...

5. 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 ...

6. Pipe (fluid conveyance) - Wikipedia

   en.wikipedia.org/wiki/Pipe_(fluid_conveyance)

   Copper pipes are typically joined by soldering, brazing, compression fittings, flaring, or crimping. Plastic pipes may be joined by solvent welding, heat fusion, or elastomeric sealing. If frequent disconnection will be required, gasketed pipe flanges or union fittings provide better reliability than threads.

7. Plastic pipework - Wikipedia

   en.wikipedia.org/wiki/Plastic_pipework

   Plastic Pipe lengths manufactured in Australia by extruding HDPE material.. Plastic pipe is a tubular section, or hollow cylinder, made of plastic.It is usually, but not necessarily, of circular cross-section, used mainly to convey substances which can flow—liquids and gases (fluids), slurries, powders and masses of small solids.