1. It is a relatively short assembly, consisting of pre-determined length of pipe welded to a specified fitting (tee, elbow or reducer) or valve (gate or ball), with flanges typically welded at each end of the pipe.
2. Sweco Fab has supplied these pipe spools from sizes ranging from 1” dia up to 18” dia pipes in Carbon Steel, Stainless Steel and Cro-Moly material.