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Compressed Air Equipment Rotary Screw Compressors from 5 HP through 500 HP,  Lubricated and Oil Free, Rotary Screw compressors have become the industry standard for Plant Air. Centrifugal Compressors from 150 HP and up provide the ultimate in Oil-Free Air, Energy Efficiency, and Low operating cost over the life of the machine. Reciprocating Compressors from 1/2 HP for Shop, Light Industrial, and Heavy Industrial markets. Ancillary Equipment from point of use regulators through full system Dryers, allow you to get control of your air quality.   Low Pressure Blower and Vacuum Complete Blower Packages are custom fabricated to your performance and environment needs.  We also handle replacement blowers for any system from 1/2 HP Regenerative through the largest centrifugal blower. All Star Regenerative Blowers are ideal units for many low pressure or vacuum  applications.  Ease of installation, reliability, and energy savings are key to the success of our All-Star Product line. Vortron Centrifugal Blowers Vortron’s AIRPOWER™ line of compact centrifugal blowers promises to raise the bar for industrial blower performance. Flow and pressure not attainable with competitive single stage products are now easily achieved.   Wastewater Treatment Industrial Wastewater Treatment is now mandatory due to EPA regulations.  Applying our system design experience will ensure that your wastewater system is adequately sized for your current and future needs.   Industrial Cooling Systems How much is your water bill?  PSI can design, provide, and install Industrial Cooling Systems, closed loop or open type, to greatly reduce your plant water consumption and waste.