Air compressors have diversified greatly and now have various applications including scuba diving. Divers need constant, balanced and safe air when underwater. The tanks that they carry may not last forever and will need to be refilled often. They sometimes have to be refilled while on the ocean in the middle of a dive. Scuba air compressors come in handy. They are portable devices that fill backpack air tanks that the divers carry with them. They are small compressors, generally powered by internal combustion engines (usually 5.5 hp). They are designed to be light, so as to enable and enhance portability.
There are many manufacturers on the market today, with new products popping up daily that providing new and innovative features.
New scuba air compressors take around 20 minutes to fill an 80 cubic feet cylinder from 500 psi to 3000 psi. They usually weigh 85 lbs with carrying handles. They deliver around 3.5 CFM @ 3200 psi. They have separate chambers for oil and water. Some expensive models provide the Tri-Chem breathing air purification system, to provide safe air for divers. The purification cartridges are convenient and easy to replace. The gasoline versions have digital tachometers that are of significant value. Pressure maintaining valves have now become a standard fitment in almost all scuba air compressors. These compressors use splash lubrication made possible by an oil thrower pin.
While buying a scuba air compressor, make sure that it meets international breathing air standards. Health is the last thing that you would want to compromise on.
Thus, air compressors have found their niches in various applications today. Since inception, they have really evolved both in terms of quality, functioning and variety.
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