Inventor : Tong Yiu Kwok

This is a patent product relates to a drain trap assembly, which is very effective for preventing the backflow of contaminated gases and bad odors emanating from wastewater. When there is no water inside the hollow body, the floating member will drop to, and trap at the bottom of the hollow body to completely seal the inlet pipe. This product is not only simple in configuration and effective, but also easy for maintenance. Besides, no alternation of existing structure is needed for the installation of this product.

一種防倒流的單向排流裝置

發明家 : 唐耀國

本產品是一種極有效的防廢氣、或含細菌、有毒氣體倒流的排水隔氣裝置。此裝置包括一個在無水時可密封隔氣筒下部的浮閥。本產品不僅結構簡單、功能卓越、易於維修，且安裝時，無需改動現有結構。