Applications include grease, fuels, LP and natural gas, refrigeration, instrumentation and hydraulic systems.
There are no nuts or sleeves used.
The fitting has threads referred to as National Pipe Threads (NPT).
Adapter (female pipe x male pipe)
Size 1/4″ female pipe x 1/8″ male pipe
Pipe brass fitting The most common form of brass fittings. They are used with brass, bronze, and iron pipe. Applications include grease, fuels, LP and na