双动滑阀 double disc slide valve ; double slide valve ; double-ported slide valve
双滑动阀 double slide valve
并列式双腔气制动阀 parallel dual-chamber air brake valve
气动双座调节阀 ZXN ; ZJHN
电子式电动双座调节阀 ZDLN
双作用制动阀 double acting brake valve
双制动器控制阀 dual brake control valve
双12脉动阀组 two 12-pulse valve groups
电动双翻板阀 Motorized Double Flap valve
串列式双腔气制动阀 series dual -chamber air brake valve
通过对锥阀特性的分析，设计了一种阀芯、阀套同时运动的芯套双动高速开关阀，该阀增大了高速开关阀的开口度，提高了响应速度和流量。
To improve the response speed of on-off solenoid valve of big flux, detailed analysis on poppet valve is given and an on-off solenoid valve with movement of both spool and cover is designed.
高速电磁开关阀存在大流量与高速响应之间的矛盾。通过对锥阀特性的分析，设计了一种阀芯、阀套同时运动的芯套双动高速开关阀，该阀增大了高速开关阀的开口度，提高了响应速度和流量。
To improve the response speed of on-off solenoid valve of big flux, detailed analysis on poppet valve is given and an on-off solenoid valve with movement of both spool and cover is designed.
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