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Clearing concrete from pump lines can be carried out using either compressed air or water, but the two methods present very different operating and safety considerations.
Kelly Tanks explains that compressed air can create significant stored energy within the line, increasing the risk of hose movement and uncontrolled discharge of concrete slurry. Using water provides a slower and more controlled approach to clearing the line.
The company also highlights its blowout lid attachment and Adsorption Sack Frame, which can be used to capture the resulting slurry and support treatment of the alkaline wastewater produced during the process.
For more information on Concrete Pump Blowout: Analysis of Water vs Compressed Air talk to Kelly Tanks