NPSM ANSI/ASME B1.20.1 – STRAIGHT PIPE THREAD GAUGES

NPSM ANSI/ASME B1.20.1 – STRAIGHT PIPE THREAD GAUGES

Northern Gauge manufactures NPSM plug and ring gauges these are often used for special applications where there are no internal pressures and, consequently , not sealing requirements.  These gauges are made in accordance with standard practices for straight thread gauges as outlined in ANSI/ASME B1.2 fit.