'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

NPT Thread Gauges

NPT THREADS are used in general purpose application of pipe assembly, where a pressure tight joint of pipes is made, by making the pipes wrench tight using a sealing compound.

Specification:
ANSI/ ASME B1.20.1 - 1983 for Basic Type Gauges & American Handbook H-28 Part II - 1957 for Step Limit type.

Manufacturing Range:
Thread Plugs , Thread Rings, Check Plugs & Wear Check Plugs of Diameter from 1/16" to 12" in both Basic & Step Limit Design.

For more Technical Details on NPT 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 NPT component threads dimensions, download Component Dimensions sheet - under development.

Technical Information sheet