| 摘要 |
<p>There is provided a valve enabling complete prevention of leakage and a backflow and having durability and less noise, and further there may be implemented a valve capable of predicting the tendency of occurrence of damage on the functions of the valve before the functions of the valve are actually damaged. In a valve having a valve chamber 5 formed between a fluid inlet 2 and a fluid outlet 3, a valve element 6 disposed in the valve chamber 5 is composed of an elastic member and an inelastic member.</p> |
