پمپ وکیوم آبی | پمپ وکیوم روغنی

?How does a suction pump work

—

توسط

مدیر سایت
در

?How does a suction pump work

uses. A suction pump works by atmospheric pressure; when the piston is raised, creating a partial vacuum, atmospheric pressure outside forces water into the cylinder, whence it is permitted to escape by an outlet valve.