Calibration hose is used as a support tube for installing the liner in the pipe being renovated. Renovation with open end is recommended where there is no possibility to open the sealed liner or if just a section of the pipe needs rehabilitation.
Calibration hoses for various temperature ranges
PVC material with PES fabric insert
Good bend flexibility up to 45°
Preliners are used as an outer foil between the liner and the old pipe if bonding with the old pipe is not required.
Flexible foil tube made of PE
Material thickness approx. 150 micro meter
Can be used for bends up to 90°