Resources

Short answer: Adsorption is when molecules of a gas or liquid collect on the surface of a solid, including the walls of its pores. Absorption is when a substance is taken into the whole volume of anot … read more

Short answer: A PSA nitrogen generator separates nitrogen with beds of carbon molecular sieve (CMS), and oil, water and dirt in the feed air can damage that sieve for good. A pre-treatment train of wa … read more

Short answer: An auto drain is a small valve in or under the bowl of a compressed air filter that empties the water and oil the filter collects, without anyone opening a tap. Without one, liquid build … 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

Short answer: A coalescing filter removes fine oil and water aerosols, plus small particles, from compressed air. Tiny droplets catch on fibres in the filter media, merge into larger drops and drain t … read more