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PZ773液(ye)(ye)動(dong)(dong)(dong)暗(an)桿(gan)(gan)式刀型閘(zha)閥(fa)又名液(ye)(ye)動(dong)(dong)(dong)刀型閘(zha)閥(fa)，液(ye)(ye)動(dong)(dong)(dong)刀形(xing)閘(zha)閥(fa)，由(you)是由(you)液(ye)(ye)壓缸(gang)活塞(sai)桿(gan)(gan)連接閥(fa)門閘(zha)板，其操作(zuo)原理手動(dong)(dong)(dong)驅動(dong)(dong)(dong)液(ye)(ye)壓泵手柄把液(ye)(ye)壓油通過手動(dong)(dong)(dong)換向閥(fa)壓入液(ye)(ye)壓缸(gang)的上下腔來帶動(dong)(dong)(dong)活塞(sai)桿(gan)(gan)做上下動(dong)(dong)(dong)作(zuo)，從而帶動(dong)(dong)(dong)閘(zha)板的啟(qi)閉來達到閥(fa)門開關作(zuo)用。

PZ773液(ye)動(dong)(dong)暗桿(gan)式刀(dao)(dao)型(xing)閘(zha)(zha)閥(fa)液(ye)動(dong)(dong)刀(dao)(dao)閘(zha)(zha)閥(fa)又名液(ye)動(dong)(dong)刀(dao)(dao)型(xing)閘(zha)(zha)閥(fa)，液(ye)動(dong)(dong)刀(dao)(dao)形閘(zha)(zha)閥(fa)，由(you)是由(you)液(ye)壓(ya)缸活(huo)塞桿(gan)連接閥(fa)門(men)閘(zha)(zha)板(ban)，其操作原(yuan)理手(shou)動(dong)(dong)驅動(dong)(dong)液(ye)壓(ya)泵手(shou)柄把液(ye)壓(ya)油通過手(shou)動(dong)(dong)換向閥(fa)壓(ya)入液(ye)壓(ya)缸的(de)上(shang)下腔來帶動(dong)(dong)活(huo)塞桿(gan)做上(shang)下動(dong)(dong)作，從而帶動(dong)(dong)閘(zha)(zha)板(ban)的(de)啟閉(bi)來達到閥(fa)門(men)開關作用。