Water cavitation is a phenomenon that can occur in a pressure washer…

 

Always use a commercial grade garden hose with a three-quarter inch non-collapsible internal diameter. Having adequate water supply is the first step in avoiding damaging pressure washer cavitation.

 Water cavitation is a phenomenon that can occur in a pressure washer when the water pressure is too high. It occurs when the pressure of the water is reduced to the point where it can no longer hold dissolved gases in solution.

These gases then come out of the solution in the form of bubbles, which can collapse and implode with great force, creating microscopic vacuum pockets or low-pressure areas. These vacuum pockets can damage the most durable metals including stainless steel.

 The sudden collapse of these bubbles, or cavities, generates intense pressure and heat, which can erode the surfaces they come into contact with. It is most common near the nozzle, in the pump and in the pressure washer hose.

Cavitation can cause damage to the pressure washer's pump internal valves, seats, packings, plungers, spray nozzle, and other components. Cavitation can also reduce the effectiveness of the cleaning.

To avoid cavitation, it is important to use the appropriate pressure setting for the task at hand, and ensure that the water supply is adequate to meet the demands of your Water Cannon pressure washer.

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