IS 11329:2018
Shell and tube type heat exchange units for air conditioners
BIS QCO · ISI MARK · 10 LINES · HEAT EXCHANGERS AND INDUSTRIAL HEAT-TRANSFER EQUIPMENT QUALITY CONTROL ORDER, NOTIFIED VIDE S.O. 4354(E) AND S.O. 4485(E)
IS 11329 specifies the construction, performance and safety requirements for heat exchangers, including shell-and-tube, plate, spiral and brazed-plate configurations. The standard covers complete heat-exchange units and their pressure-bearing components supplied for process, refrigeration and HVAC duty.
At a glance
10
Tariff lines covered (8-digit HSN)
Chapter 84
Primary HSN chapter
ISI
Mark scheme
Heat Exchangers and Industrial Heat-Transfer Equipment Quality Control Order, notified vide S.O. 4354(E) and S.O. 4485(E)
Governing Quality Control Order
Tariff lines covered
Heading 8419
8419 50 11Shell and tube type heat exchange units for air conditioners8419 50 12Plate type heat exchange units for industrial and HVAC duty8419 50 13Spiral-type heat exchange units for process and HVAC duty8419 50 19Finned heat exchange units for room air conditioners8419 50 91Shell-and-tube heat exchange units for industrial process duty8419 50 92Plate type heat exchange units for process and HVAC duty8419 50 93Spiral-type heat exchange units for process and HVAC duty8419 50 99Heat exchange units (finned type heat exchangers for room air conditioners)8419 89 90Industrial and process heat exchangers (finned type, shell-and-tube, plate)8419 90 90Parts of industrial heat-treatment and solar water-heating equipment
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Speak to an Expert Last verified against gazette notifications: 2026-05-16. Source: BIS / Indian Customs CUSDATA.
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