ODOR PREVENTION DEVICE FOR SEWERAGE

摘要

PROBLEM TO BE SOLVED: To facilitate the installation and operation of a valve element and smoothly open and close the valve element in an odor prevention device for sewerage. SOLUTION: The valve opening and closing the drain port of a water collecting tube part is formed in a mountable mount type opening/closing valve. The valve is mounted through its band plate to face the drain port of the water collecting tube part. COPYRIGHT: (C)2007,JPO&INPIT