High-pressure sewer jetting is a method of cleaning sewer and drain lines using high-pressure water. Sewer jetters, also known as “hydro-jetters” or “water jetters”, are powerful drain cleaning machines that use high-pressure water jets to clear obstructions in residential and commercial drain pipes as well as larger municipal sewer systems. Simplicity of use, safety, and efficiency of cleaning are the main reasons many plumbers and drain cleaning professionals are turning to hydro-jetting as the tool of choice. Sewer jetters can be truck mounted and may carry up to 1,500 gallons of water for large sewer cleaning jobs, or they can be mounted on a trailer and pulled by a large van or small truck. Smaller water jetters can be mounted on a cart for light residential and commercial applications.
How Sewer Jetting works
Water from the high-pressure pump is delivered to a hose reel containing a high-pressure jetting hose matched for the pressure and flow of the system. When a nozzle is attached to the end of the jetting hose, pressure is created within the system. Nozzles are sized to match the design out of the engine & water pump plus factoring pressure loss due to the diameter and length of the high-pressure jetting hose. Every nozzle is designed to direct high-pressure streams of water to pull the high-pressure jetting hose through a pipe. Angles of the water stream can be varied; water streams directed more toward the pipe wall surfaces produce better cleaning results while diminishing the pulling power of the nozzle. Water streams directed towards the centerline of the pipe provide maximum pulling power but decreases pipe wall cleaning effectiveness.
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