How To Measure Thread Size Female. Measure top diameter of thread at b; Using a ruler or vernier, measure across the outside diameter of a male or hose tailpiece thread or measure the inside diameter of a female thread.
A seal takes place when the o. Similarly pvc pipe and slip fittings have the same measuring method. Using the thread pitch gauge, align the gauge on the threads and make sure it is snug.
Sae thread orfs fittings size chart apr 02, 2020.
For example, a 1” mpt pipe thread has an outside diameter of 1.315” npt size thread diameter od of mpt (id of fpt will be slightly less than this.) After measuring the threads on a fitting, you must match the number to a thread chart to determine the nominal size. Place the gauge on the threads until the fit is snug. For male threads, measure the outside diameter (o.d).