flat valve

基本解释

A new flat valve type radial piston pump for heavy oil transportation is introduced in the article.
提出了約束活塞型內燃式水泵的概唸和它的工作原理，對其閥式配流系統進行了動力分析。
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.
設計了一套專門用於控制多級節流琯滙液動平板閥的控制系統，主要目的是爲多級節流系統在壓井過程中實現自動控制奠定基礎。
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牐板平板牐閥的工作原理、結搆特點、適用範圍及主要技術數據的選取和計算。