Valve drives yog cov cuab yeej siv los ua haujlwm li qub, uas tswj cov dej ntws los ntawm cov kav dej, cov kav dej, thiab lwm yam. Muaj ntau ntau hom valve drives, suav nrog:
Los ntawm txhais tes valve drives: Cov no yog ua los ntawm tes, thiab suav nrog handwheels, levers, thiab lwm yam khoom siv zoo sib xws.
Hluav taws xob valve tsav: Cov no siv hluav taws xob lub cev muaj zog los tsav lub valve, thiab tuaj yeem tswj tau los ntawm kev siv hluav taws xob teeb liab.
Pneumatic valve drives: Cov no siv cov cua compressed los khiav lub valve, thiab feem ntau siv nyob rau hauv kev lag luam chaw.
Hydraulic valve drives: Cov no siv cov kua dej hydraulic los khiav lub valve, thiab feem ntau siv rau hauv cov ntawv siv hnyav.
Solenoid valve drives: Cov no siv lub tshuab electromagnetic los qhib thiab kaw lub valve, thiab feem ntau siv rau hauv cov tshuab tswj.
Motorized valve drives: Cov no siv lub cev muaj zog los khiav lub valve, thiab tuaj yeem tswj tau siv ntau txoj hauv kev, nrog rau cov teeb liab hluav taws xob thiab lub tshuab computer.
Hom valve tsav siv yog nyob ntawm daim ntawv thov tshwj xeeb thiab cov kev cai ntawm lub kaw lus uas nws tau siv.
