It is a multilayer composite that is designed to absorb the expansions that occur in the ducts by high variations in temperature (450 º C) axial movement, lateral movement and angular.
Drawing labels, details, and other text information extracted from the CAD file (Translated from Spanish):
equidistant, item, cant, long, profile, profile, profile, profile, profile, profile, profile, profile, cutting board:, mattress supplement, pad, face f: ati, filling, cut, fv hooks, sewing with thread, mm fvpi, cut, ati mm, face c: fvpi, pasamuro, thickness:, equidistant, veneer support, sheet, profile, profile, sheet, profile, meeting, pad, mod, cut fc termination, cut cloth fvpv wm, cut fc termination, cut cloth fvpv wm, fasten, fasten, cut, folding axis, cut, folding axis, cut, folding axis, cut, folding axis, cut, folding axis, cut, folding axis, cut, folding axis, detail, insulation, cut fvpi mos, fc cut, upper flap shaft, flap up, flap side, mos., mos., cut mos., cut fvpv, fc cut, duct insulation, duct insulation, detail, insulation, detail, insulation, detail, insulation, flat con .:, dib .:, title, o.t .:, machine:, small sea gral pacheco bs. ace. Argentina, client, flat no, rev., apr .:, date, first name, firm, non-metallic expansion joint, ute norte fluminense, item, description, membrane aea tfp, internal pocket aea, pad, aea heatsink, joint expansion, fastening bolts