Code : NPT Gauges (Taper Pipe Thread Gauges)
Brand : Kuroda
NPT Gauges
NPT gauge conforming to American standard (ANSI/ASME) is not provied with one-stop notch on the thread plug gauge, but the notch is provied on the thread ring gauge.
NPT gauges designed for Kuroda Precision Industries Ltd. has been provided with 3-stop notch on each of the thread plug gauge and thread ring gauge for ease of use.
The 3-stop notch is provided so that when the taper thread to be inspected has a basic size, the pipe ends of the external thread and internal thread may stop at the notch (BASIC) located a the gauge center, and other two notches (MAX and MIN) represent the maximum and minimum of permissible product size.
In addition, KURODA manufactured notch-less NPT gauges upon request.