R / Pipe Threads are used in pipe assemblies where pressure tight joint is required on threads, without use of sealing compound.
• 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.
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 8".