Qhov no yog ibLub quarter tig hluav taws xob valve actuator. Nws yog siv los tswj 90 degree rotation li qub xws li npauj npaim li qub, pob li qub thiab ntsaws li qub thiab lwm yam. Qhov kev txhim khu kev qha sib nqus hlau nplaum yog siv rau kev lag luam hauv zos, tso tseg cov tsoos los ntawm cov pob qhov rooj tsim los yog cov khoom siv roj hmab khawm tsim, kom ntseeg tau cov dej tsis zoo thiab ua haujlwm ntev. cov cuab yeej siv, thiab ua tau raws li cov kev cai ntawm kev siv sab nraum zoov.Lub qhov rais multi-function zaub muaj cov ntsiab lus nplua nuj, thiab cov neeg siv tuaj yeem nkag siab qhov kev teeb tsa yooj yim thiab kev ua haujlwm ntawm cov khoom siv txhua lub sijhawm, thiab cov ntaub ntawv ceeb toom tsis raug yog pom meej meej.
