VALVE

摘要

PURPOSE: To provide a noiseless and durable valve which prevents leakage and return flow completely and moreover to obtain the valve whose defective tendency can be predicted before losing the function of a valve. CONSTITUTION: In a valve which forms the valve chamber 5 between a fluid inlet 2 and a fluid outlet 3, it is characterized that the valve body 6 prepared in the valve chamber 5 is composed of an elastic member and a non-elastic member.