| 摘要 |
Disclosed is a duct system for pipes which is directed to making it possible to quickly and easily install a duct at a pipe. The duct system for pipes according to the present invention 5 comprises a straight duct covering a straight pipe portion covered with a heat insulation material, an elbow duct covering the elbow pipe covered with a heat insulation material, and a finishing cap which is engaged to the portion where the pipe ends. Since the duct system for pipes according to the present invention comprises the straight duct, the elbow duct and the finishing cap, the installation for the sake of protection of the pipe heat 10 insulation material is fast and east. |
