| 摘要 |
This invention discloses a disc type kitchen sink drain valve mounted on a strainer that is placed in the well provided in the bottom of a kitchen sink, the drain valve comprising a sleeve fixed vertically and substantially at the center of the bottom plate of the strainer, a valve member having a valve stem slidably inserted in the sleeve, and fixed at the lower end of the valve stem an elastic valve body of disc type capable of moving up and down with the valve stem to open and close the drain port provided at the bottom of the well of the kitchen sink by uncovering and covering the drain port.
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