The right jetter can have a direct and significant impact on your bottom line, but knowing which is the right jetter requires an understanding of functions, features and your own needs.First, it’s important to understand the basic principles of waterjetting — pressure and flow. Measured in psi, pressure refers to the force with which the water is propelled through a hose via a high-pressure pump. Water is forced through small holes in a nozzle/cutting head that does the cleaning. Flow, measured in gpm, is a function of horsepower and pressure and refers to the volume of water going through the
