| 摘要 |
<p>Overflow and run-off fitting comprises a nonreturn valve (R) which forms a unit (18) with a run-off lid (17). Preferred Features: The nonreturn valve is a float valve and has a guide ring (23) in which a closure body (22) of the valve is coaxially guided. The nonreturn valve has a sealing element (20) on which the closure body of the valve hangs.</p> |
