| 摘要 |
PURPOSE: A drop sewage fitting with a trap is provided to implement a deodorant function by being interposed between a drain pipe and a house inlet. CONSTITUTION: A drop sewage fitting comprises a top passage(2) which is formed on the top of a cylindrical sidewall, an inlet port which is formed on a side of the side wall, a drop port(3) which is formed on the top of the sidewall, a trap connection port(5) which is formed on the other side of the sidewall and has a downward passage and a trap connection part(52), and a U-shaped trap(6) which is connected to the downward passage of the trap connection port and has an upward passage. |
