Water supplied to the dust cannon is pressurised through the jet nozzles transforming the water supply into an atomised fine mist.  A fan within the cowling generates a strong airflow which disperses the mist tens of metres into the air creating a 'filtering curtain'.  Our S-45 dust cannon for instance will disperse this mist 45-50 metres out in calm conditions.

The water droplets in this atomised mist are very tiny, ranging between 10 - 150 micron, and have a much-reduced water surface tension.  This allows the mist droplets to attract and latch onto the much smaller dust particles that tend to float and drops them to the ground.  A Screenpod Dust Cannon effectively suppresses this airborne dust and helps prevent it from straying beyond your worksite.  

By comparison, water droplets from a sprinkler or hose are simply too big.  They have too much surface tension to capture these small floating dust particles.  These airborne dust particles simply ‘bounce’ off the big water droplets and carry on floating in the air.

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M: 027 820 7015