CSD-1 is a standard developed by American Society of Mechanical Engineers (ASME) and covers “Controls and Safety Devices for Automatically Fired Boilers.”
CSD-1 is a standard developed by American Society of Mechanical Engineers (ASME) and covers “Controls and Safety Devices for Automatically Fired Boilers.” The previous edition was released in 2018, and the new 14th edition was was issued on Nov. 17, 2021. It was approved by American National Standards Institute (ANSI) on Sept. 9, 2021. Most states have adopted this standard, though some states only use a portion of this standard.
CSD-1 is usually applied to units with inputs up to 12,500,000 Btu/hr and National Fire Protection Association (NFPA) 85 (Boiler and Combustion Systems Hazard Code) is applied to units at or over that input.