K l m and dwv.
Dwv copper pipe wall thickness.
The letters indicate in part the relative thickness of the pipe wall from thickest to thinnest.
For example a 1 2 inch copper pipe has an outside diameter of 5 8 inch.
Wall thickness 0 04 in 1 0 042 in 2 0 045 in 1 0 058 in 1 inside dia.
The outside diameter of threadless copper pipe tp is essentially the same as schedule 40 pipe although the wall thickness is much less than that for the same size pipe.
It is true with all three common types of new pipe k l and m.
Home pipe specs copper tubing sizes.
1 25 in 1 1 5 in 1 2 in 1 3 in 1 4 in 1 outside dia.
Manufacturers provide copper pipe in four standardized types.
The actual wall thickness depends on the size of the pipe.
The inside diameter id of copper pipe is determined by the wall thickness of the pipe which varies by the pipe type.
Type dwv copper pipe and tubing.
It also has thinner walls than the other types of copper pipe with a wall thickness of 040 for a piece of 1 inch pipe the smallest diameter available for dwv.