Remove existing rubber During the application cycle on metal structures, it is often required the removal of the old rubber lining, before the application of the new lining. Removal high with "High pressure water jet" This method is performed when the use of free flames is not permitted or if the local regulations don’t permit the emissions of every type of fumes in the atmosphere. The removal of the lining is performed using the equipment HAMMELMANN S 2500, thanks to a high pressure water jet (2500 bar) direct to the lining. The type of nozzle to be used and the work pressure are determined, case by case, in function of the type of lining to remove and from its eventual state of ware and tear, especially in the matter of adherence to the substrate. At the end of the process it must be verified the entire removal of the old lining; this check is visual. Performing the removal by means of water jet, the reference of cleaning degree is: WJ-1 as per SSPC-SP 12 / NACE 5 This degree corresponds to: “entire removal of the old rubber lining”. After the check of the superficial cleanliness, it must be checked the surface and, if necessary, it is performed the decontamination of the metallic part. The advantages of the removal with high pressure water jet.