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Industrial Air Compressors (Piston & Rotary Screw)

Reciprocating Compressor or Piston Compressor

A piston is a simple type of air compressor. A shaft driven by an electric motor is rotated to raise and lower a piston inside a chamber. On every down stroke of the piston, air is brought into the chamber through an intake valve. On the upstroke of the piston, which compresses the air, another valve is opened to crunch the air molecules closer together. During the upstroke of the piston, the intake valve is closed. This compressed air is fed into a reservoir tank for storage. The storage tank is used so the air can be transported through pipes to machines.

Rotary Screw Compressor

Much more efficient and even simpler -- is the screw compressor. The screw compressor is also driven by electric motors. The main difference from the piston type is that the screw compressor uses two large intermeshing screws to squeeze the air inside a large chamber. In order to keep the screws from being damaged, oil must be injected to keep the entire system lubricated. The oil is mixed with the air upon entrance into the compression chamber and is passed between to two rotating screws. After exiting the chamber, the air and oil pass through a large oil separator where the air passes readily through a small orifice filter. The oil is cooled and reused while the air goes on to the reservoir tanks to be utilized in work.

Breathing Air Compressor

Max-Air provides quality high pressure breathing air compressors many industries that depend on breathing air equipment. All of these units will produce air quality of CGA Grade E breathing air suitable for SCUBA, Industrial, and Fire Service. Pure air for your SCBA (Self Contained Breathing Apparatus), SCUBA, PBAC (Portable Breathing Air Compressors) or Cascade System meets NFPA recommendations.