| 摘要 |
<p>A stop valve to terminate flow of liquid there through when the level of the liquid reaches a desired level in a container. The stop valve include s a master diaphragm valve (38) to regulate the flow of liquid through the valve and a pilot diaphragm valve (10) controlling the master valve. The pilot diaphragm valve (10) is subject to the position of a float (37) on the liqui d in the container.</p> |
