【National Standard Announcement No. 9】Updates to several standards related to heat exchangers
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On September 7, 2023, Announcement No. 9 of that year issued 583 recommended **standards and 6 amendments to standards**; several of the standards that are well-known to us are included in this list: GB/T 28712.1-2023 – Types and basic parameters of heat exchangers, Part 1: Floating-head heat exchangers; GB/T 28712.2-2023 – Types and basic parameters of heat exchangers, Part 2: Fixed-tube-sheet heat exchangers; GB/T 28712.3-2023 – Types and basic parameters of heat exchangers, Part 3: U-tube heat exchangers; GB/T 29463-2023 – Gaskets for shell-and-tube heat exchangers; GB/T 29465-2023 – Flanges for floating-head heat exchangers
This relates to the updates in the standards related to heat exchangers, as specified in National Standard Announcement No. 9 of 2023. The relevant standards include: 1. GB/T 28712.1-2023 Types and basic parameters of heat exchangers – Part 1: Floating-head heat exchangers ； 2. GB/T 28712.2-2023 Types and basic parameters of heat exchangers – Part 2: Heat exchangers with fixed tube sheets ； 3. GB/T 28712.3-2023 Types and basic parameters of heat exchangers – Part 3: U-tube heat exchangers ； 4. GB/T 29463-2023 Gaskets for shell and tube heat exchangers ； 5. GB/T 29465-2023 Flanges for floating-head heat exchangers. These standards play an important guiding role in the manufacturing and use of heat exchangers. .
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