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Regarding pipe fitting threaded connections

2010-12-06View Original

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Are the threads for pipe fittings used domestically all metric?
Reply #22010-12-06
The threaded connections of standard fittings should be British 55° pipe threads.
Reply #32011-01-12
This post was last edited by chenhao0713 on 2011-1-12 at 17:42. The second comment is incorrect. The threads for B16.11 fittings according to American standards are ASME B1.20.1, 60-degree tapered pipe threads, namely NPT threads. The national standard GB/T14383 corresponds to GB/T12726, which is a 60-degree tapered pipe thread, also known as NPT. Either specify the thread type or the thread number. Pipe thread is GB/T7306.1

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