PURPOSE: An inspection system for water supply pipes is provided to carry out precise inspection of a water supply pipe by approaching or attaching an inspection block to the interior of the water supply pipe. CONSTITUTION: An inspection system for water supply pipes is composed as follows. A coupling hole is aligned on a marked position of a water supply pipe and a guide band(110) is coupled to the coupling hole. A hole(10) is punched in the water supply pipe through the coupling hole of the guide band. When water leaks through the hole, a regulating valve(120) is coupled to the coupling hole and closed. A housing(131) of a driving part(130) is coupled to the regulating valve. The regulating valve is opened so that tap water is drawn into the housing. A cable(134) is unwound by rotating a shaft(132) of the housing, and an inspection block is put into the water supply pipe to photograph the interior of the water supply pipe.
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