Oxygen compressor selection
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Friends, are there any standard regulations specifying at what oxygen purity level an oxygen compressor must be used? For example, air with 22% oxygen is not needed for citrus; an air compressor will suffice ； 80% oxygen enrichment is required.
Several domestic manufacturers of imported centrifugal air compressors now state clearly that their compressors can only compress air and nitrogen, and not other gases.
An oxygen content of over 25% is required.
What standards? What standards? Sir, please provide some information on this
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It depends on what fluid the compressor is compressing and on the materials used; oxygen requires materials of a higher safety standard.
A 20% oxygen content doesn’t seem to pose a threat; nitrogen compressors or air compressors can be used directly. A oxygen compressor with a relatively high purity is chosen to ensure the safety of gas compression; specifically, it depends on the purity level of the medium I think an oxygen compressor should be considered only when the oxygen content is above 30%. This is because the cost of oxygen compressor equipment is nearly twice as high as that of air and nitrogen compressor equipment.