| 摘要 |
<p>A valve assembly that can be used in either pressure or gravity operation. The valve assembly has a pair of paddle valves (34,44) with valve actuating arms (40,46) that are simultaneously snap actuated by a yoke (64,108) of the valve actuator. The valve assembly has a mechanical valve actuator that includes a snap acting, over-center spring arrangement. <IMAGE></p> |
