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)

Specification:

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.

Size	Type of Gauges
1/8-27 NGT	Taper Thread PlugGauges to checkPitch Diameter ofcylinder neck. Gauge L1 & Gauge L9	Plain Taper Plug tocheck CrestTruncation of Minor Diameter. Gauge C1 & It Gauge C2	Taper Thread RingGauges to checkPitch Diameter. Gauge L1 & Gauge L8	Master Check Plugto check. L1 & L8 ring	Plain Taper Ringto check Crest Truncation of Major Diameter.
1/4-18 NGT
3/8-18 NGT
1/2-14 NGT
3/4-14 NGT $
3/4-14 NGT (CI)-1*
3/4-14 NGT (CI)-2*
3/4-14 NGT (CI)-3*
3/4-14 NGT (CI)-4*
1-11.5 NGT
1.1/2-11.5 NGT
*CI – Chlorine gas cylinder & valves. GAUGES For checking Internal Taper Threads of Cylinder neck.