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Threaded pipe and fittings

On pipelines, it is widely used for threaded pipe and fittings.

A threaded pipe has a screw thread at one or both ends for assembly. Steel pipe is often joined with threaded connections; tapered threads are cut into the end of the pipe, 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 threaded into a threaded fitting with a pipe wrench.


Threaded steel pipe is widely used in buildings to convey natural gas or propane fuel, and is a popular choice in fire sprinkler systems due to its resistance to mechanical damage and high heat. Threaded steel pipe may still be used in high-security locations, because it is more resistant to vandalism, more difficult to remove, and its scrap value is lower than copper or brass.


Assembling threaded pipe and fittings takes skill and planning to allow lengths of pipe to be screwed together in sequence. Most threaded-pipe systems require the use of strategically located pipe-union fittings in final assembly. Threaded steel pipe is heavy, and requires adequate attachment to support surfaces.

Threaded pipe and fittings

Threaded fittings are used to connect pipes. It includes malleable iron fittings, carbon steel fittings, brass fittings and ductile iron fittings. When connecting pipes to fittings by thread, the thread for both parts should match properly. The kinds of thread are British Standard thread, NPT threads and DIN threads. For example, there are three parts: locknut, long nipple and socket. Our factory does matching test for each two parts before packing to ensure the quality. Our clients are very satisfied with our fittings.

threaded pipe and fittings

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  • +86-311-68019517
  • bonny@archpipe.com
  • Malleable Iron Zone,Shijiazhuang City,Hebei Province
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