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English Translations » 【静设备】 » Differences between JB/T4701-2000 and HG/T20592 standards

Differences between JB/T4701-2000 and HG/T20592 standards

2020-04-26View Original

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Differences between JB/T4701-2000 and HG/T20592 standards: one is a standard for the machinery industry, while the other is a standard for the chemical industry. What are the specific differences?
Reply #22020-04-26
For this issue, one is the Type A flat welding flange (with the updated NB/T47021-212), and the other is the pipe flange standard; there is basically no comparability between them.

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Translated at 2026-07-21 02:54:07

Original: https://bbs.hcbbs.com/thread-2971305-1-1.html

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