| 摘要 |
PROBLEM TO BE SOLVED: To provide an attachment structure capable of easily removing and installing a check valve unit attached to the midway part of a piping during its maintenance work and replacement work.SOLUTION: This invention relates to a check valve unit attachment structure comprising a check valve holder 2 that can be connected to a water conduction port of a water conduction member and having a first engaging flange 211 protruded at an outer peripheral side surface of a substantial cylindrical base part 21 capable of installing inside a check valve unit 1 having a check valve 11, and a fixing member 3 capable of storing the check valve holder 2 and having a second engaging flange 311 protruded at the inner surface of one end side of a substantial cylindrical main body 31, the first engaging flange 211 and the second engaging flange 311 are engaged to each other to restrict an axial motion of the check valve holder 2 and the fixing member 3. |
