INNER CLEANING DEVICE OF WATER SUPPLYING PIPE

摘要

PURPOSE: An inner cleaning device is provided to clean scale or foreign material inside of a pipe by injecting compression air into the pipe. CONSTITUTION: A second branch pipe(4) is installed by an attaching member(3) attaching freely to a water supplying portion(2) of a water supply pipe(1). A first and second electric valve(7,8) is installed to one side of the second branch pipe. Compression air amount and injection time are controlled by timers(10,11). A timing adjusting timer(12) and a work resting timer(13) are provided to control the cleaning.