The Utility air-spade 4000 series excavation tool features a supersonic nozzle utilizing compressed air to produce a high-speed laser like jet that moves at twice the speed of sound for rapid digging ...
Founded in 1991, Air-Spade is a leader in pneumatic tools used by arborists and utilities for soil excavation. Guardair purchased the assets of Concept Engineering Group in 2008.
Vacuum-excavating systems, whether using high-pressure water or compressed air as the digging medium, have a wide range of application. For example, Bill Petrole, vice president, Vacall, Gradall ...
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