Ammonia refrigeration processes below 10K MUST STILL meet ANSI/ASHRAE 15 Engineroom Ventilation
This is not the first time I have addressed this matter. Still, somehow, somewhere, a dirty little lie has been circulating among ammonia design and installation contractors that somehow an engine room handling less than 10,000 pounds of anhydrous ammonia (NH3) is incapable of presenting an explosion hazard, thus no need for any engineered ventilation. …...