Atmospheric Termination of Relief Valve Discharge Piping February 5th, 2019
Since ammonia diffusion tanks were removed from the California Mechanical Code in 2016, atmospheric termination of relief valves has once again become a viable strategy for ammonia refrigeration systems. The question that often arises, however, is what constitutes “safe” termination to atmosphere. ANSI/IIAR 2-2014 §15.5.1 outlines five requirements for proper atmospheric termination: Discharge pipe must […]