If you wanted to produce high pressure and low volume from a screw compressor, which configuration would you use?

To achieve high pressure and low volume in a screw compressor, a configuration with a larger number of lobes or stages is typically favored. The correct choice of 6+8 suggests a design that allows for better compression efficiency by enabling more intricate interaction between the rotors, leading to higher pressure output.

Larger configurations, such as 6+8, allow for increased airflow management and relative compression rates compared to smaller configurations. The additional lobes provide more surface area for the gas to be compressed, which in turn increases the pressure while maintaining a lower volume of output, aligning perfectly with the desired parameters for achieving high pressure and low volume.

On the other hand, while other configurations may also produce air, they would be more suited for different applications where pressure and volume requirements are not as specific or where a higher volume output is acceptable. In contexts requiring higher pressure alongside specific volume constraints, larger and more complex configurations are generally necessary for adequate performance.