吉林油田注水井多采用714-4型空心活动配水器进行注入。但该配水器在使用过程中,经常发生挂胶阀脱胶和胶面被刺坏现象,影响了油田的正常生产。在分析了挂胶阀失效原因的基础上,对原挂胶阀进行了针对性改制。具体措施为:a)　将原阀外壁加上一道挂胶槽,避免了阀外壁胶的脱落,同时 Jilin Oilfield injection wells and more use of 714-4 hollow activity water dispenser for injection. However, in the process of using the water distributor, there often occurs a phenomenon that the hang-off valve and the adhesive surface are punctured, which affects the normal production of the oilfield. On the basis of analyzing the failure reason of hanging plastic valve, the original plastic valve was modified. Specific measures are: a) the original valve plus a wall hanging plastic tank, to avoid the valve wall plastic off, at the same time