| 摘要 |
<p>A valve assembly comprises a ceramic disk having peripheral recesses formed therein and being movable over a pair of ceramic tubular seats in communication with the cold water supply conduit and hot water supply conduit, respectively, and resiliently urged against the disk. The arrangement is such that with the disk and tubular seats at any mutual position, the disk overlies an arc of the periphery of the tubular seat orifices greater than half such periphery, with the recesses leaving free part or the entire orifice aperture.</p> |
