摘要
介绍了泥浆闸阀的工作原理和结构特点。该阀已获国家实用新型专利证书(证书号:ZL 2004 2 0024851.1)。
Introduces mud gate valve＇s working principle and structural feature and new type patent certificate issued by state is obtained.
出处
《阀门》
2011年第4期31-32,共2页
VALVE MAGAZINE
关键词
闸阀
颗粒介质用阀
软硬双重密封结构阀座
双螺纹阀杆螺母
双润滑阀杆螺母
gate valve
slurry valve
soft and metal double sealing construction seat
double screw stemnut
double lubrication stem nut
