| 摘要 |
<p>A valve disc of a thermostatic valve has a sheet metal body (10) provided with a circumferential annular groove in which is arranged a sealing ring (17) of rectangular cross section. The radially outer wall (20) of the groove is bent inwardly to grip the sealing ring (20) as shown on the right of the drawing. The outer wall (20) also acts as a travel stop of the valve element.</p> |
