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See Chinese contents: GB/T 16507.7-2022 GB/T 16507.7-2022: Water-tube boilers - Part 7: Safety appurtenances and instruments
This document specifies the requirements for safety appurtenances and instruments of water-tube boilers, including safety valves, pressure measuring devices, water (liquid) level measurement and display control devices, temperature measuring devices, blowdown emission and water emission devices, and protection devices. This document is applicable to the safety appurtenances and instruments selected for water-tube boilers defined in GB/T 16507.1.
