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what are threaded pipe fittings?
threaded pipe fittings are pipe fittings with threads. commonly used in water gas pipes, small diameter water pipes, compressed air pipes, and low-pressure steam pipes. connect with threaded pipe end to form a pipeline. appropriate glue (such as thick white paint, lead monoxide glycerin glue, etc.) can be coated on the threads to ensure sealing.
types of threaded pipe fittings:
threaded pipe nippleblack pipe nipple
threaded pipe coupling
threaded pipe union
threaded pipe elbow
threaded pipe tee
threaded cross pipe
threaded pipe reducer, etc.
threaded fittings are normally made of cast gray or malleable iron, cast brass or bronze, or forged alloy and carbon steel.
they are available in three pressure ratings: 2000lbs, 3000lbs and 6000lbs.
npt thread
all fittings on this page are described, are provided with npt thread, asme b1.20.1. the american national pipe thread tapered, is the best known and most widely used connection where the pipe thread provides both the mechanical joint and the hydraulic seal. npt has a tapered male and female thread which seals with teflon tape or jointing compound. dimensions of american taper pipe thread, with sealant compound.
