COMBINATIONAL SET OF DRAIN VALVE AND CONNECTING COMPONENT

摘要

PROBLEM TO BE SOLVED: To provide a combinational set of a drain valve and connecting components therefor, which enables the drain valve to be commonly connected even to flush pipes with different outside diameter sizes.;SOLUTION: The drain valve 10 and a box nut 46, corresponding to the large-size flush pipe, a spacer ring 54 and an elastic seal ring 56 for a small-size flush pipe, and a fastening ring 58, which transmits a fastening force of the box nut 46 to the elastic seal ring 56 so as to axially compress it, are provided as the set. The spacer ring 54, the elastic seal ring 56 and the fastening ring 58 serve as the connecting member.;COPYRIGHT: (C)2006,JPO&NCIPI