Front view of a black industrial air compressor with gauges and control box labeled CAS Compressed Air Systems.

Open Frame
Rotary Screw

5-100 HP

CAS Open Frame Rotary Screw models are a great fit for almost any application. Simple controls, easy maintenance, and once a year oil changes make this a great solution for high-volume and high productivity environments.

Duplex

For applications that can't afford downtime. Designed for redundancy in all situations and built to deliver twice the power in the same amount of space as a typical compressor.

Find What You Need

Manuals, guides, and downloads.
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Owner's Manuals
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Catalogs
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Choose the Right Compressor

Reciprocating? Rotary screw? Not sure? We have guides and recommendations that will help you find the best compressor for your application.

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EZ Compressor Sizer
Use the EZ Compressor Sizer
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Sizing Guides
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CFM Consumption Calculator
Use the CFM consumption calculator