04-25-2021, 03:33 AM
In the weatherhead catalog, there are cardboard rings in various diameters fo the size of fitting and the thickness of the ring is to be used as a gauge. The nut is removed from the fitting, a ring is placed on the threaded portion and the nut re=installed. When the nut touches the ring upon tightening, it is at the proper tightness.
I found these when purchasing large fittings for fuel transfer lines. They were a valuable addition to the installation. The technicians installing the fittings had definite limits on tightening. The size involved was 5/8OD. The rings are available from #4 and up.
I found these when purchasing large fittings for fuel transfer lines. They were a valuable addition to the installation. The technicians installing the fittings had definite limits on tightening. The size involved was 5/8OD. The rings are available from #4 and up.
Gordon Jones
2000-45'-2slide-#567