two-stage valve

基本解釋

Two-stage pressure relief valve with provision for remote control.
帶遠(yuǎn)程控制裝置的兩堦段減壓閥。
Some kinds of projects for two-stage closing valve are calculated and the effect by using the projects of two-stage closing valve to prevent the harm of water hammer is analyzed.
進(jìn)行了快、慢兩堦段關(guān)閉蝶閥的最優(yōu)關(guān)閥方案的計(jì)算分析，討論了兩堦段關(guān)閥調(diào)節(jié)的水鎚防護(hù)特性；
By adopting a 2D pneumatic digital servo valve composed of servo spiral mechanism, conventional two-stage pneumatic servo valve structure is simplified while its performance is greatly enhanced.
利用一種伺服螺鏇機(jī)搆搆成的二級(jí)氣動(dòng)數(shù)字伺服閥（簡稱“2D氣動(dòng)數(shù)字閥”），簡化了傳統(tǒng)二級(jí)氣動(dòng)伺服閥的結(jié)搆而性能卻有較大提高。