Numbers and Titles



Includesindustrial combustion process gases piping.
See23 24 00 for internal-combustion engine piping. 23 35 16 for engine exhaust systems. 23 51 00 for HVAC-related breechings, chimneys, and stacks. 42 00 00 for process heating, cooling, and drying equipment. 44 60 00 for waste thermal processing equipment. 46 78 00 for thermal treatment of wastewater residuals.
40 15 13Combustion Air Piping
40 15 16Oxygen Combustion System Gas Piping
40 15 19Flue-Gas Combustion System Piping
40 15 23Exothermic-Gas Combustion System Piping
40 15 26Endothermic-Gas Combustion System Piping
40 15 29Dissociated-Ammonia-Gas Combustion System Piping