TUBULAR SHELL FOR HYDRO-INSULATION OF PIPELINE

摘要

A tubular shell for heat insulation of pipeline includes a tubular element with central opening made of heat-insulation material, and the outer protective shell made of sheet material and fixed on the outer surface of the tubular element by means of binding substance with ability of total surrounding of the outer surface of the tubular element. The outer protective shell is made of foam-bitumen felt, and as binding agent glue on the basis of polyvinyl-acetate is used.