| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water service meter installation unit in which the timing to implement a pressure resistance test of a water supply standing pipe in a multi-layer collective house can be made earlier than the prior arts and a construction term for a water service construction of the multi-layer collective house can be more shortened than the prior arts. <P>SOLUTION: A water service meter installation unit comprises a first portion including a water cut-off valve or the water cut-off valve and a pressure-reducing valve, a second portion including a water service meter support member and a check valve, and a flexible pipe member. One end of the pipe member is connected to the first portion and the other end is connected to the second portion via a one-action watertight joint or a bag nut type watertight joint including removable female and male couplers. <P>COPYRIGHT: (C)2013,JPO&INPIT |
