FLUID-HANDLING DEVICE AND FLUID-HANDLING SYSTEM

摘要

This fluid-handling device has: a first rotary member having a first protrusion that expands a diaphragm of a valve and closes off the valve, the first rotary member being capable of rotating about a rotational axis; a second rotary member disposed so as to surround the first rotary member, the second rotary member having a second protrusion that expands the diaphragm of the valve and closes off the valve, and being capable of rotating about the rotational axis independently from the first rotary member; and a plurality of rolling elements disposed between the first rotary member and the second rotary member, the plurality of rolling elements being in contact with the first rotary member and the second rotary member.