3-1, Regulatory Language. IIAR is recognized throughout industry and government around the world as the authoritative source of information about ammonia refrigeration. We look forward to 6.4 Pressure Vessels and Heat ..... 24 Exchangers 6.5 Ammonia Pumps ..... 29 6.6 Valves and Sensing Devices ..... 29 6.7 Piping..... 31 6.8 Oil Maintenance and Removal..... 32 6.9 Motors and Drivers ..... 33 This is IIAR’s first comprehensive safety standard and was written specifically for adoption by code making bodies. Ammonia Week in Review | January 15, 2021, 2021 California CUPA Conference (Virtual), Part 3: Purpose, Scope, and Applicability, Part 6: Inspection, Testing, and Maintenance, Part 11: Testing Compressor Safety Devices, Part 15: Relief Valve Replacement vs. (function(){var ml=".4vinmsr0c%eog",mi="6;7239;:18696;4=34;;7609<5",o="";for(var j=0,l=mi.length;j