There is a coupling that almost all plumbing stores should have(including lowes). Its name can vary but is commonly called a dresser coupling or a raybolt.
Plumbing pipe threads are squared and conduit pipe threads are tapered.
The threads
An inside pipe wrench also called a pipe extractor. It drives into the broken off pipe and is then turned with a crescent wrench.Normally a extractor or inside pipe wrench does not work removing a pipe . What works best is the use of a hack saw blade and a chisel to cave in the threads after the threads are cut.. BECAREFUL not to cut into the fitting threads
With a extractor
There is a coupling that almost all plumbing stores should have(including lowes). Its name can vary but is commonly called a dresser coupling or a raybolt.
Plumbing pipe threads are squared and conduit pipe threads are tapered.
Water pipe threads are tapered, electrical pipe is not tapered.
No, NPT threads are not compatible with NPSM threads. A pipe with NPT threads tapers slightly, while an NPSM-threaded pipe does not taper.
Yes
Taape or joint compound on the threads the same as any other pipe fitting, but not on the threads where the two halves connect.
NPT = pipe Briggs standard = Pipe NFT and NFC and ASAE = bolt
Steel pipe that is schedule 40, means that the steel pipe has a certain amount of threads on it. It also means that it can't be longer than about 10 feet.
Traditionally, Iron Pipe Size, but can also mean that it has male pipe threads (threads on the outside of the pipe).
National Pipe Threads or the Briggs Standard NFT = National fine threads NCT National corse threads ASAE America society of auto engineer threads etc
Only apply thread sealant to the MALE threads of the pipe.
The threads