Resources

Short answer: AS/NZS 1715 is the Australian and New Zealand standard for selecting, using and maintaining respiratory protective equipment (RPE). For compressed breathing air, it sets the air quality … read more

Short answer: A hookah dive compressor is a small, usually engine-driven compressor that sends low-pressure air from the surface down a hose to a diver's regulator, so the diver can breathe without ca … read more

Short answer: ISO 8573-1 purity classes rate compressed air for three contaminants: solid particles, water and oil. A class is written as three numbers in that order, such as ISO 8573-1:2010 [1:4:1]. … read more