Numbers and Titles



Includesboilers for water and other industrial process fluids. Definitions low pressure: less than 100 PSIG. intermediate pressure: 100-500 PSIG. high pressure: greater than 500 PSIG.
See23 52 00 for heating boilers.
42 11 13Low-Pressure Process Boilers
42 11 16Intermediate-Pressure Process Boilers
42 11 19High-Pressure Process Boilers
42 11 23Specialty Process Boilers