The easiest way to discover what nominal pipe dimensions you would like is to utilize abide by these techniques and make use of the conversion chart down below. The swage is like reducers but compact in dimension and used to attach pipes to scaled-down screwed or socket welded pipes. Like http://valves-and-fittings74051.isblog.net/5-tips-about-valves-and-fittings-you-can-use-today-11618198