valve sticking

基本解释

The some valves for OCF are collected from market. The performances of the new valve and those valves in propellant permeation and sticking are tested and compared.
采集了市场上几种主要的进口和国产的阀门，在多种条件下进行了阀门的抛射剂渗漏、抗粘结性能的对比测试。
Reliability- The process fluid flows through the trim, flushing away solid deposits above and below the guide bushing , thus reducing the possibility of a sticking valve plug.
可靠性过程流体流动，通过修剪，冲掉上述固体存款和指导下套管，从而减少了一贴阀芯的可能性。
The travelling valve of the pump is designed to be closed and opened forcibly, and the pump plunger adopts equal-diameter bare pipe with a floating structure to prevent gas lock and sand sticking.
这种抽油泵柱塞游动阀采用机械强制开启和关闭的结构，柱塞为等径光管、浮动结构，可防止发生气锁游动阀、阀球关闭滞后、砂卡柱塞现象。