Boiler and Combustion Systems Hazards Code
Also Known As:
The NFPA 85-2019 standard provides comprehensive guidelines for ensuring fire safety compliance in the design, installation, and inspection of large boiler installations and pulverized fuel systems. The standard covers a wide range of equipment, including large boilers, stoker operations, pulverized fuel systems, and steam generators used to recover heat from combustion turbines.
The 2019 edition of NFPA 85 introduces several changes to reflect current industry practices and facilitate the use of the code. Updated and new definitions and standardized language clarify the terms used throughout the code, such as interlock, trip, and permissive. The specification of autoignition temperature for fuels over the expected operating conditions is now required. The allowed uses of Class 2 and Class 3 igniters are clarified, and requirements for overpressure protection have been reorganized to reduce repetition.
Other revisions include reformatted requirements for single burner boilers, clarified language regarding combustion turbine purge requirements, and revised operational leak test frequencies. Additionally, new annex material provides guidance on the frequency of testing for multiple burner boiler interlocks, and the supervised manual systems annex has been replaced with an annex on concentrated flame igniters.
It is essential for boiler or combustion system designers, operators, facility managers, and enforcers to remain up-to-date with the NFPA 85-2019 standard to ensure compliance with fire safety regulations. The standard is available in print and consists of 233 pages.
| Language(s) | English |
| File Size | 2.7 MB |
