Specification

ISO Standard:       Basic Dimensions: ISO 7/1-1994 & Gauging Practice: ISO 7/2-2000,,
BS & European standard:  BS EN 10226-3 – 2005
Indian Standard:  Basic Dimensions:  IS 554 – 1999 & Gauging Practice: IS 8999-2003.

Manufacturing Range

Taper Fullform Thread Plug – Gauge No.1
Taper Fullform Thread Plug with relief – Gauge No.2
Parallel Fullform Ring –  Gauge No. 3
Taper Plain Ring – Gauge No.4.
Taper Modified Thread form Check Plug – Gauge No.5
Parallel Modified Thread form Check Ring –  Gauge No. 6
size Range covered is from pipe diameter 1/16″ to 6″.  Above 6″ & up to 12″ Diameter gauges are manufactured as per
JIS B 0253 -1985 specification.