'KALIBR' offers most extensive product range for Thread & Plain gauges.

We manufacture gauges as per various International standards like ISO, ANSI/ ASME, British Standard (BS),DIN, JIS, API. Designing customized gauging solutions is our specialty.

Product Range

ISO Metric Thread Gauges MJ Thread Gauges Unified Thread Gauges UNJ Thread Gauges Wire Threads Inserts /Heli - Thread Gauges BSW/ BSF/ Whits Thread Gauges Pipe / G Thread Gauges BA Thread Gauges BS Cycle Thread Gauges BS Conduit Thread Gauges Pg Thread Gauges Trapezoidal Thread Gauges Acme Thread Gauges Stub Acme Thread Gauges Buttress Thread Gauges Saw Tooth / Metric Buttress Thread Gauges NPT Thread Gauges NPTF/PTF Thread Gauges BSPTr Thread Gauges Pipe / R Thread Gauges (ISO 7/2) M/ KEG Taper Thread Gauges (DIN 158) NGT Taper Thread Gauges Gauges for valve Fittings Casing, Tubing & Line Pipe Gauges for Oil Industry Oil Industry- Gauges for Rotary drill Plain Plug Gauges Plain Ring Gauges Setting Ring Gauges Snap Gauges Customized solutions for Gauging

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.

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