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A rotary screw compressor
uses two intermeshed helical rotors (screws) within a precisely machined
stator to compress air. Clearances between the rotors and the stator are
very small and are usually sealed by injected lubricant. More
about Rotary Screw Compressors
- Small Belt-drive Rotary Screw Compressors
- Direct Drive Rotary Screw Compressors
- Direct Drive Geared Rotary Screw Compressors
- Direct Drive Updraft Cooler Rotary Screw Compressors
- Variable Speed Rotary Screw Compressors
- Single Stage Variable Displacement Rotary Screw Compressors
- Two Stage Variable Displacement Rotary Screw Compressors
- Single Stage Water Sealed Oil Free Rotary Screw Compressors
- Two Stage Oil Free Rotary Screw Compressors
- Packaged Rotary Screw Compressed Air Systems
A simple reciprocating compressor uses a piston moving back and forth in a cylinder with one closed end containing one intake valve and one discharge valve. The intake valve allows ambient air to flow into the cylinder, and the discharge valve allows air to flow out of the cylinder. As the piston moves away from the closed end of the cylinder it creates a vacuum which draws ambient air through the intake valve. More about Reciprocating Air Compressors
Air compressors of both the reciprocating and rotary screw type are available with gasoline, diesel or natural gas engines as a source of power. They range in size from a 5 hp portable unit that a carpenter would use on a building construction jobsite to a 500 hp unit that might be... More about Engine Driven Air Compressors
Most 2 stage reciprocating compressors are designed to operate up to a maximum of 175 psi. Most rotary screw compressors are designed to operate efficiently between 90 and 125 psi. Some applications require high volumes of compressed air in the range of 45 to 60 psi. More about High & Low Pressure Air Compressors
Low Pressure Air Compressors
- Low Pressure Rotary Screw Compressors
- Low Pressure Air Cooled Reciprocating Compressors (Single Stage)
- Low Pressure Oil Free Rotary Claw Compressors (Single Stage)
- Low Pressure Double Acting Water Cooled Reciprocating Compressors (Single Stage)
High Pressure Air Compressors
- High Pressure Direct Drive Rotary Screw Compressors
- Single Stage Air Cooled Reciprocating Air Compressors
- High Pressure Double Acting Water Cooled Reciprocating Compressors (3 & 4 Stage)
- High Pressure Single Acting Water Cooled Reciprocating Compressors (Two Stage)
- High Pressure Air Cooled Compressors for Circuit Breakers (Large & Small)
- High Pressure Air Cooled Pressure Lubricated Compressors (Two Stage)
Some applications require a special purpose-built air compressor for reasons of performance, features or economy. Some examples are compressors for climate control systems in large buildings, compressors for dry sprinkler systems... More about Cal's Special Purpose Air Compressors
