This part of GB/T 28712 stipulates the type, nominal diameter, nominal pressure, heat exchange tube specification, calculated heat exchange area and support plate spacing of vertical thermosiphon reboiler (hereinafter referred to as "reboiler"), etc. parameter. This section applies to petroleum, chemical industry carbon steel, low-alloy steel, stainless acid-resistant steel, aluminum, copper and titanium reboilers, also applies to other industrial sectors with similar reboilers.
2023GB/T 28712.4-2023 Heat Exchanger Types and Basic Parameters Part 4: Thermosyphon Reboiler
2012GB/T 28712.4-2012 Types and basic parameters of heat exchangers.Part 4:Vertical thermo siphon reboilers
GB/T 28712.4-2012 Types and basic parameters of heat exchangers.Part 4:Vertical thermo siphon reboilers was changed to LST EN 60734-2013 Household electrical appliances - Performance - Water for testing (IEC 60734:2012).