BSPTr Thread Gauges

BSPTr Threads can provide pressure tight seal on threads without use of a sealing compound. They are used in pipe assemblies where pressure tight joint is required on threads, without use of sealing compound.

Two Types of Gauges are recommended System A & System B.

Specification:

BS 21 – 1985 Indian Standard: Basic Dimensions: IS 554 : 1999 & Gauging Practice: IS 8999 : 2003.

Manufacturing Range :

Taper Thread Plugs & Rings for Pipe sizes 1/16″ to 6″ in both System A & System B Design.

Diameter (Inch)	TPI	Type of Gauges

Diameter (Inch)	TPI	Type of Gauges
1/16, & 1/8	28	Thread Plug Gauges	Thread Ring Gauges	Check Plug to check	Wear Check
1/4 & 3/8	19	System A.	System A	NEW Rings System A	Plug Gauges to check/ calibrate used Rings. System A
1/2 & 3/4	14	& System B.	& System B	& System B	& System B
1,1.1/4,1.1/2,2, 2.1/2, 3	11
4, 5, 6

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