Structural Or Non-Structural Rolldown Liners For Pressure Pipes
PIM Corporation's Rolldown system uses standard polyethylene (PE) pipe to create a close-fitting liner within an existing pipeline. Rollers reduce the diameter of the PE pipe and allow it to be pulled through the host pipe. The liner is then pressurized to revert it to its original size. Rolldown can be designed as a stand-alone, fully rated pressure pipe, or as a thin-wall liner used to eliminate leaks in an otherwise sound pipeline.