Insulation process requirements
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I need some help: for the polyurethane insulation layer on low-temperature water pipes, should self-tapping screws be used to secure the aluminum alloy protective layer around the seams? The pipe in question has a diameter of 500 mm; there is no framework, and the polyurethane insulation layer is applied directly onto the pipe, after which an aluminum alloy protective layer is installed. The thickness of this protective layer is 0.5 millimeters, and its edges have protruding ribs.
Based on your description, if the thickness of the aluminum alloy protective layer is 0.5 mm, it is recommended to drive screws at the circumferential joints of the self-tapping screws to enhance the fixation. Furthermore, the polyurethane insulation layer should be protected during installation to avoid scratches and damage, so as not to affect its insulating performance. Finally, to ensure good insulation performance, it is necessary to follow the relevant specifications and procedural requirements strictly during the insulation process, while making on-site adjustments according to the actual conditions. .