An fittings aka army navy fittings are a high quality way to plumb the fluid and even some air lines on your. A fitting listed at 3 dash three refers to the inside diameter of the fitting for instance a 3 an would fit a metal tube outside diameter of 316 inch.
An Thread Wikipedia
An fittings how to. The finished an hose assembly is then ready to be installed. Here is the finished product. Applying an upward pushing motion on the hose simultaneously as you tighten the fitting into the hose also helps to combat the tendency of the hose to be pushed down. As you can see the tape remains tight against the lower fitting. The hose end mechanically fits to the hose in a way that is secure and leak free the following pages show detailed cut through images. As a general rule plastic pvc fittings should get ptfe tape wrapped on the threads.
On the other hand an fittings are flare type compression fittings and as such dont require any form of thread sealant. Using an an wrench or equivalent wrench tighten the fitting into the hose end. In this video we go over the basics and some important information about an fittings. An fittings also known as armynavy were originally developed as a military standard that dates back as early as world war ii. Metal threads should be treated with a sealant paste aka pipe dope. At each end of the an hose you will require a hose end this is what we call the fittings that are fitted onto the end of the an hose.
Gallery of An Fittings How To
