KEG Duce Nozzle Keeps Lines Clear

When municipalities and contractors must keep their sanitary sewer and storm lines free of obstructions, using a rental vibratory nozzle can help operators quickly and effectively remove hardened materials, clear clogs, and restore flow.

Municipalities and contractors conduct periodic maintenance to flush debris and sediment from the lines, breaking up hardened obstructions to prevent blockages.
Municipalities and contractors conduct periodic maintenance to flush debris and sediment from the lines, breaking up hardened obstructions to prevent blockages.
KEG Technologies

KEG’s vibrating rotational nozzle is called the Duce Nozzle. The rotating nozzle, which is available for rental, can be particularly effective for removing hardened deposits on the floor or wall of sanitary sewer and storm lines. The special nozzle utilizes water driven rotation and vibration to create a unique “jackhammer” action to remove difficult materials such as scaling, grout/mortar residue, tuberculation, or other deposits within pipes. This approach is safer, faster, and more efficient than cutting and milling out the material.

“The Duce is specifically designed to remove deposits that have hardened to the pipe wall or floor such as grout, and mortar residue,” said Dan Story, operations manager at KEG Technologies, a manufacturer of sewer and storm line products including nozzles, chain cutters, and camera nozzle systems.

“KEG Technologies’ Duce Nozzle works extremely well to break up hardened debris,” agrees Bill Benner, Senior Project Manager at Ventilation Power Cleaning (VPC), a Seattle, WA-based firm that provides vacuum truck services to remove various industrial debris in the form of solids, liquids, sludges, and slurries.

When water conservation is necessary, KEG offers another version of the Duce Nozzle that is purposely designed to be used with recycled water and a recycling truck. The use of a recycling truck facilitates up to 5 more hours of jetting per day since the work crew does not need to retrieve more water every 15-20 minutes. The approach saves water, fuel, and vehicle/machine wear.

Although both types of vibratory nozzle can effectively clean hardened materials clinging to pipe, Story advises determining the overall condition of the pipe via camera inspection before use. He also cautions against using the vibratory nozzle in weak or damaged pipe.

“A vibratory nozzle is not recommended for use in clay pipe or in any pipe displaying cracks, fissures, or damage,” said Story, adding that the product was nicknamed “Duce” as a warning: “Don’t Use in Clay Ever.”

According to Story, KEG rents its nozzles by the week through all of its dealers at a prorated price, which is full retail cost divided by 5. With the OEM’s Rental Purchase Program, if a customer rents the nozzle for 5 weeks, the customer then owns the nozzle. The rentals can be handled through an industrial supplier like Haaker Equipment Company, or through KEG directly.

When municipalities and contractors must keep their sanitary sewer and storm lines free of obstructions, using a rental vibratory nozzle can help operators quickly and effectively remove hardened materials, clear clogs, and restore flow. Compared to more aggressive measures like using chain cutters, the approach can ease line maintenance and minimize incidental damage to pipe.

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