Single-stage and two-stage reciprocating compressors are commercially available.

Single-stage compressors are generally used for pressures in the range of 70 psig to 100 psig.
Two-stage compressors are generally used for higher pressures in the range of 100 psig to 250 psig.

Note that 1 HP ~ 4 CFM at 100 psi and that 1 to 50 HP are typically for reciprocating units. Compressors 100 hp and above are typically Rotary Screw or Centrifugal Compressors.

The reciprocating air compressor is single acting when the compressing is accomplished using only one side of the piston. A compressor using both sides of the piston is considered double acting.

Load reduction is achieved by unloading individual cylinders. Typically this is accomplished by throttling the suction pressure to the cylinder or bypassing air either within or outside the compressor. Capacity control is achieved by varying speed in engine-driven units through fuel flow control. Reciprocating air compressors are available either as air-cooled or water-cooled in lubricated and non-lubricated configurations and provide a wide range of pressure and capacity selections.

A 2 stage air compressor is a more efficient option than a single-stage model because those compressors bring air to such high pressures, while generating little heat. This is because they have the ability to store compressed air for long periods of time and mainly to be used later as needed, so they do not have to continuously run to produce usable air. They produce adequate power to operate multiple industrial air tools, making them invaluable components for many auto repair shops as well as manufacturing plants and other commercial operations.

NPS Compressed Air Solutions provides a wide selection of 2 stage air compressors from some of the industry’s top manufacturers, including Gardner Denver, Ingersoll-Rand, Atlas-Copco, and Kaeser.

The 2 stage air compressor options include:

Reciprocating compressors
Rotary screw compressors
Vertical and horizontal models
Electric and gas-powered models
Oil-less designs
Portable compressors

We have been selling, repairing, and renting air compressors since 1994, and our experienced team has the in-depth knowledge of compressor systems necessary to help you find a compressor of the right size and power requirements for your specific needs. We also carry a comprehensive selection of air compressor parts and accessories for your existing compressors at the lowest prices in the market.

Contact NPS Compressed Air Solutions today for more information on our 2 stage air compressors.

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