综合阀的设计是由一个鸭嘴阀和反向的常闭的伞形阀组成，这种设计用一个阀件替代了两个阀件。可以通过阀口的打开压力及伞翼的打开压力的不同，进行两个方向的流体控制。

The design of integrated valve   co nsists   of a duckbill valve and a umbrella valve which is always closed in opp osite  direction, this design uses a valve part replace two valve parts. It can  cont rol   flow in both directi  o  n s   according to the different opening pressure of duckbill and umbrella.

用途：膜片式化油器
Application: Diaphragm Carburetor