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A sleeve is anything that protects the pipe from something else you can purchase special sleeving for copper or pex in slabs, sleeve an irrigation line in a driveway with PVC or use PVC between floors of a concrete building.
There are two main categories of plumbing pipe: plastic and metal.Not all pipes are as useful or effective as others, and each type is used for a specific purpose in plumbing. PVC pipe is a type of plastic plumbing pipe primarily used to transport high pressured water.
Plumbing pipe threads are squared and conduit pipe threads are tapered.
Joint compound AKA dope is used as a lubricant and to seal minor imperfections of the threads
no
Polybutylene pipe is a discontinued pipe.
A Sleeve pipe is inserted into a drilled hole to separate any liquids from the surrounding surfaces and the water below. The sleeve is a sealed piece of material pressed into the shaft and this keeps any contamination from going down the shaft and being absorbed into the water table below. Separating water tables is a common reason for their required installation.
will carbon steel pipe touching copper pipe cause electrolysis in plumbing situations using water.
A bend in a pipe
The threads
I.d.
it is used for plumbing