Standards for pipes and pipe fittings
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May I ask, what are the common standards for pipes and pipe fittings? I want to collect them. I now have most of the petrochemical standards, but what else should I know? Where can I download the national standards and those set by the Ministry of Chemical Industry? What is the standard number?
The national standards are GB14383 and GB12459; I can’t remember the standard number issued by the Ministry of Chemical Industry. But it can be found on the forum. Searching using the names of various petrochemical standards will generally yield results.
The standards of the Ministry of Chemical Industry, HG20592~HG20605—1997, cover various flanges. If you need to send me a message, go ahead.