| 摘要 |
The pipe inlet/outlet device is a molded fitting that is attached to the inflow end of a pipe conduit. The pipe inlet/outlet device has a neck portion and a rounded or smoothly curving mouth extending from the neck portion. The neck portion is a hollow cylinder that is open at both ends. The neck portion has an outside diameter sized to fit snugly in the open end of a pipe. The rounded mouth is integral with and extends from the neck portion, gradually curving outward and away from the neck and terminating at a lip, forming a skirt disposed around the inlet that may be filled with grout. The pipe may be an outlet from a tank, such as a manhole or catch basin. The pipe inlet/outlet device is inserted into the open end of the pipe for reducing head losses at the open end.
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