Description of the thread of the Stainless steel quick connector

- Jul 25, 2018 -

Stainless steel quick connector models are A type, B type, C type, D type, E type, F type, DC type, DP type, etc.

Rubber soft joint thread type: metric thread is 60 degree equilateral tooth type, inch thread is isosceles 55 degree tooth type, American thread is 60 degree.

Stainless steel quick coupling thread unit: metric unit for metric thread, inch unit for US and UK thread.

Stainless steel union, stainless steel quick coupling thread Other description: Pipe thread is mainly used for pipe connection, the internal and external threads are closely matched, there are two kinds of straight pipe and cone pipe. The nominal diameter refers to the diameter of the pipe to which it is connected. It is obvious that the diameter of the thread is larger than the nominal diameter. 1/4, 1/2, 1/8 are the nominal diameter of the inch thread in inches.

Thread angle: metric and American threads are 60 degrees, inch is 55 degrees, TM pipe thread is 30 degrees, SM needle thread and BC thread are also 60 degrees, metric trapezoidal thread 30 degrees, inch trapezoidal thread 29 degrees, table thread (TW29 degree TR and TM30 degrees)

Ordinary thread: metric thread M; inch system W; US UNC, UNE, UNEF

Rubber soft joint pipe thread: British PS, PT, PF; US NPS, NPT, NPTF, NPSM


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