They needed high-volume, high pressure air... why were they surprised?

Clemco Industries manufactures abrasive blasting equipment. When they needed a portable compressor to test a new high pressure unit at 175 psig with a high volume of air, they turned to Kaeser Compressors.

More about Kaeser: https://us.kaeser.com/about-us/

Mobilair portable compressors: https://us.kaeser.com/products-and-solutions/portable-compressors/

More on sandblasting: https://us.kaeser.com/compressed-air-resources/applications/sandblasting/