Powerflow manufactures a full range of aluminium adapters, including the popular Male
Flare to NPT Male and the NPT to BARB adapters. These are commonly used for fuel
pumps, oil pumps, oil relocation adapters, master cylinders, water pumps etc. National
Pipe Thread (NPT) is a tapered thread and you will find used a lot in American designed
or made parts will use this thread.