With the right amount of money, it can be any fitting you want, however the biggest factory made fitting i have seen sold to the public, was an 8 inch main used for industrial areas
It is probably referring to the type of fitting. A fitting that is soldered to a copper pipe. It is called sweating when you use solder and a torch to connect copper pipe together or attach fittings to copper pipe.
To properly install a compression fitting on a copper pipe, follow these steps: Cut the copper pipe to the desired length using a pipe cutter. Slide the compression nut and compression ring onto the pipe. Insert the pipe into the fitting until it reaches the bottom. Tighten the compression nut onto the fitting with a wrench until it is secure. Check for any leaks by turning on the water supply. Following these steps will ensure a proper installation of a compression fitting on a copper pipe.
A threaded copper fitting on the copper side, male or female, and the galvanized is screwed into it.
Take either an SOS pad or a wire brush and rough up both the inside of the brass fitting and outside of copper pipe, put the copper pipe into the fitting and solder around it.
You will want to put a length of copper into the fitting and solder it before you put it on the galvanised so that you don't cook out the pipe dope. >>they also could have soldiered on a flange on copper and thread on galvanized pipe.would have been another choice
Sweat a female fitting on the copper or use a compression coupling between the two.
In order to connect a chromed steel pipe to a copper pipe, you will need a brass fitting. These two pipes will not fit into each other otherwise.
Copper x copper, which means the fitting is sized for copper pipe and usually needs to be soldered unless it is a compression type fitting.
To connect a copper propane pipe to a shutoff valve, you will need to use a threaded fitting that matches the size and type of the pipe and valve. Apply pipe dope or Teflon tape to the threads before connecting them. Tighten the fitting securely using a wrench or pliers to create a leak-proof connection.
You can fix a leaking copper pipe without soldering by using a compression fitting or a push-to-connect fitting. These fittings can be easily installed without the need for soldering equipment.
Either cut it out on the pipe with copper cutters or sweat it out with a plumbing torch.
When I have to connect copper to lead "D" I usually solder the copper to the lead or wipe a lead joint depending on the diameter To connect copper to cast iron ,.... If there is a hub I caulk the copper directly into the CI with oakum and poured lead (molten) OR one can solder / braze a female adapter fitting and screw the copper into a CI female fitting