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PZ773液(ye)動(dong)(dong)暗桿(gan)式刀型閘(zha)(zha)(zha)閥(fa)又(you)名(ming)液(ye)動(dong)(dong)刀型閘(zha)(zha)(zha)閥(fa)，液(ye)動(dong)(dong)刀形閘(zha)(zha)(zha)閥(fa)，由是由液(ye)壓(ya)缸(gang)活塞桿(gan)連接閥(fa)門閘(zha)(zha)(zha)板(ban)，其操作(zuo)原理手動(dong)(dong)驅動(dong)(dong)液(ye)壓(ya)泵(beng)手柄(bing)把液(ye)壓(ya)油通過手動(dong)(dong)換向閥(fa)壓(ya)入液(ye)壓(ya)缸(gang)的(de)上(shang)下腔來(lai)帶動(dong)(dong)活塞桿(gan)做上(shang)下動(dong)(dong)作(zuo)，從而(er)帶動(dong)(dong)閘(zha)(zha)(zha)板(ban)的(de)啟(qi)閉(bi)來(lai)達(da)到(dao)閥(fa)門開關(guan)作(zuo)用。

PZ773液(ye)(ye)(ye)(ye)動(dong)(dong)(dong)(dong)暗桿(gan)式(shi)刀(dao)(dao)型(xing)閘(zha)閥液(ye)(ye)(ye)(ye)動(dong)(dong)(dong)(dong)刀(dao)(dao)閘(zha)閥又名液(ye)(ye)(ye)(ye)動(dong)(dong)(dong)(dong)刀(dao)(dao)型(xing)閘(zha)閥，液(ye)(ye)(ye)(ye)動(dong)(dong)(dong)(dong)刀(dao)(dao)形閘(zha)閥，由(you)是由(you)液(ye)(ye)(ye)(ye)壓(ya)缸(gang)活(huo)塞桿(gan)連接(jie)閥門閘(zha)板，其操作(zuo)(zuo)原理(li)手動(dong)(dong)(dong)(dong)驅動(dong)(dong)(dong)(dong)液(ye)(ye)(ye)(ye)壓(ya)泵手柄把液(ye)(ye)(ye)(ye)壓(ya)油(you)通(tong)過手動(dong)(dong)(dong)(dong)換向閥壓(ya)入液(ye)(ye)(ye)(ye)壓(ya)缸(gang)的上下(xia)腔來帶動(dong)(dong)(dong)(dong)活(huo)塞桿(gan)做上下(xia)動(dong)(dong)(dong)(dong)作(zuo)(zuo)，從而帶動(dong)(dong)(dong)(dong)閘(zha)板的啟閉來達到閥門開關作(zuo)(zuo)用。