What is high pressure drain jetting?

High pressure drain jetting is the process of using a high pressure water jet (hydro jet) on the end of a long hose, to blast clean drains and sewers. Pressures are from 200 bar (3,000 psi) but may be as high as 700 bar (10,000 psi) for descaling and root cutting.

The principle of high pressure drain cleaning has been around since the late 1960’s. A reinforced high pressure jetting hose 90m (300ft) or more in length is connected to a high pressure pump. At the other end a drain jet is attached and placed in the drain.

drain jetting

The drain jet blasts a water stream backwards at high velocity. The resulting “rocket” force propels the drain jet (and the trailing hose) up the drain pipe. It blasts clean the pipe wall and flushes debris back downstream, turning much of it into harmless slurry, which flows away.

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