![]() ![]() Moreover, it should be located in a dry, clean, cool and well-ventilated area. The air compressor should ideally be located as close to the area where the compressed air has to be used. But in case we want to work for extended periods of time a compressor with a large tank would be preferred. ![]() when using a nail gun we can use one with a small tank. If we are operating it for low duty applications, i.e. If we are using a piston-type compressor we should determine how large our tank should be. #5) Consider your power source:ĭepending on the availability of electricity we can opt for a drive system with an electric motor or drive the compressor via gasoline engine. Standard CFM is measured as 14.5 PSIA, at 68 ☏ (20 ☌), with 0% relative humidity. If the psi of the tools are different we can then look for Standard CFM (SCFM) at the time of evaluating compressors. The CFM changes in accordance with the psi of the compressor, it implies that the two tools with different psi will not necessarily have CFMs that we can just add together. #4) Try to look at Cubic Feet per Minute or CFM:ĬFM measures volumetric flow. Air compressors with larger HP are usually reserved for industrial uses. Range for horsepower on an air compressor is between 1.5 and 6.5 HP which can be used for small and medium-sized applications. #3) Look at the horsepower (HP) of the air compressor. Portable compressors do not offer tanks and thus run continuously in order to deliver air. Piston-type compressors rely on a motor which builds up air pressure when it gets depleted. #2) Choose between piston-type and portable compressors: ![]() If one fails to choose a compressor that is large enough for the intended use, the work efficiency will decrease to a considerable extent. For e.g, Heavy-duty tools will require more pressure and thus more volume. How to Choose the Right Air Compressor? #1) Try to analyze the requirements of the air tools that will be used.Ĭonsider the pressure and volume requirements of any tool. The most common types of air positive displacement compressors are found in small and medium-sized industries are rotary screw, vane, and reciprocating compressors.ĭynamic air compressors comprise of centrifugal and axial machines and are used for large manufacturing plants. In this, a specified amount of air is trapped in a chamber and the volume occupied by it is reduced, to increase the pressure prior to the discharge. Moreover, we can also classify air compressors as: Classification of Air CompressorĪir compressors can be classified as low-pressure compressors (With discharge pressure of 150 psi or less), medium pressure(151-1000 psi) and high-pressure compressors (more than 1000 psi). It can also be used to rotate a shaft or it can be used to produce a high-speed jet, like in a paint sprayer.Ģ0Compressed air also provides torque and rotation power for pneumatic tools, such as drills, brushes, nut runners, riveting guns and screwdrivers. Unlike other sources of power, it does not involve conversion from another form of energy such as heat at the point of application.ġ)Compressed air can be used in piston displacement. An air compressor is primarily a device that converts power into potential energy stored in the form of pressurized air or compressed air. ![]()
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