flat valve

基本解释

A new flat valve type radial piston pump for heavy oil transportation is introduced in the article.
提出了约束活塞型内燃式水泵的概念和它的工作原理，对其阀式配流系统进行了动力分析。
A control system which uses to control the flat valve of multistage throttle is design in order to establish the foundation for automatic control of multistage throttle during press the well.
设计了一套专门用于控制多级节流管汇液动平板阀的控制系统，主要目的是为多级节流系统在压井过程中实现自动控制奠定基础。
Brief introduction to the working process, the construction characteristics, the applications and the main data's selection & calculation for the single disc, high-performance flat gate valve.
介绍了高温硬密封浮动阀座单闸板平板闸阀的工作原理、结构特点、适用范围及主要技术数据的选取和计算。