• NPTF Thread Gauges

NPTF Thread Gauges

NPTF stands for National Pipe Taper Fuel and can also be sometimes referred as the Dryseal Pipe Gauge. NPTF thread guage provides a higher level of leak free joint and are meant for high pressure and other mission critical applications between the threads.

We provide NPTF thread gauges at reasonable prices and in specifications to our clients needs. Our thread gauges are available in a variety of dimensions that is sure to meet your different gauging and inspection needs.

The majority of our thread gauges are available to buy in a short lead time from our warehouses. Please contact us, to arrange these gauges for you.

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Basic Dimensios & Gauging Practice to ANSI / ASME B1.20.6/1984B1.20-5-1978

Class of Fit :Basic / Step-limit.

  Size    T.P.I.  PLUGSRINGS
   L1      L1      L3      L3      L1      L1      L2      L2   
   Basic Rs      Step-limit Rs      Basic Rs      Step-limit Rs      Basic Rs      Step-limit Rs      Basic Rs      Step-limit RS   
1/16"27262029802910 3440 4900 5430 5820 6610
1/8"27262029802910 3440 4900 5430 6080 6610
1/4"18225025202380 2645 4110 4630 4500 5030
3/8"18225025202380 2645 4110 4630 4500 5030
1/2"14225025202380 2645 4110 4630 4500 5030
3/4"14225025202380 2645 4110 4630 4500 5030
1"11.1/2278030503050 3320 5430 6080 5820 6490
1.1/4"11.1/2278030503050 3320 5430 6080 5820 6490
1.1/2"11.1/2278030503050 3320 5430 6080 5820 6490
2"11.1/2278030503050 3320 5430 6080 5820 6490
2.1/2"8423049004630 5160 6080 6750 6490 7140
3"8423049004630 5160 6080 6750 6490 7140
3.1/2"8423049004630 5160 6080 6750 6490 7140
4"8635070156750 7280 6610 7280 7810 8990