NGT Taper Thread Gauges

NGT (National Gas Taper) Threads are used to check Gas cylinder valve stems and cylindrical neck threads.
(Taper 1 IN 16 on diameter)

American Handbook H-28 Part II - 1957 
* 3/4"-14 NGT size is manufacured as per IS 9121-2005 , on customer request.

Manufacturing Range: 
Taper Thread Plugs - Gauge L1 & Gauge L9 
Plain Taper Plug Gauges to check truncation of Minor diameter - Gauge C1 &  Gauge C2 
Taper Thread Ring Gauge L1 & Gauge L8
Master Check Plug to check Rings L1 & L8
Plain Taper Ring to check crest Truncation of Major Diameter.

Sizes covered are from 1/8 NGT to 1.1/2 NGT.

For more Technical Details on NGT Threads download, Technical Information sheet  from link given below.

For How to use gauges - Download Gauge users Manual from link given below - under development.

For NGT component threads dimensions, download Component Dimensions sheet - under development.

Technical Information Sheet