flat valve

基本解釋

A new flat valve type radial piston pump for heavy oil transportation is introduced in the article.
提出了約束活塞型內燃式水泵的概念和它的工作原理，對其閥式配流系統(tǒng)進行了動力分析。
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.
設計了一套專門用于控制多級節(jié)流管匯液動平板閥的控制系統(tǒng)，主要目的是為多級節(jié)流系統(tǒng)在壓井過程中實現(xiàn)自動控制奠定基礎。
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.
介紹了高溫硬密封浮動閥座單閘板平板閘閥的工作原理、結構特點、適用范圍及主要技術數(shù)據(jù)的選取和計算。