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2. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   Although they are usually used to attach pipe and fittings to mechanical supports in buildings, they do not connect the pipes. Fasteners commonly used with piping are a stud bolt [ 26 ] with nuts (usually fully threaded, with two heavy, hexagonal nuts); a machine bolt and nut; or a powder-actuated tool (PAT) fastener (usually a nail or threaded ...

3. Nipple (plumbing) - Wikipedia

   en.wikipedia.org/wiki/Nipple_(plumbing)

   ASTM A733-03 Standard Specification for Welded and Seamless Carbon Steel and Austenitic Stainless Steel Pipe Nipples. ASTM B687-99(2005)e1 Standard Specification for Brass, Copper, and Chromium-Plated Pipe Nipples. ASME B1.20.7 Hose Coupling Screw Threads, Inch.

4. Coupling (piping) - Wikipedia

   en.wikipedia.org/wiki/Coupling_(piping)

   Alternatively it is a short length of pipe with two female National pipe threads (NPT) (in North American terms, a coupler is a double female while a nipple is double male) or two male or female British standard pipe threads. If the two ends of a coupling are of different standards or joining methods, the coupling is called an adapter. Examples ...

5. National pipe thread - Wikipedia

   en.wikipedia.org/wiki/National_pipe_thread

   National pipe straight–mechanical: ... 3 + 1 ⁄ 2, 4, 5, and 6 inch, as pipe and fittings by most US suppliers. Sizes smaller than 1 ...

6. 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

7. British Standard Pipe - Wikipedia

   en.wikipedia.org/wiki/British_Standard_Pipe

   British Standard Pipe (BSP) is a set of technical standards for screw threads that has been adopted internationally for interconnecting and sealing pipes and fittings by mating an external thread with an internal (female) thread.