Fujikin Inc.

Yasuhiro Yoshikane

Michio Yamaji

Tadayuki Yakushijin

Keisuke Ishibashi

Ryohei Fujimoto

Norifumi Suntou

Provided is a switching valve for use in an analyzer module for switching flow passages of fluids, in which the manufacturing cost is reduced and the life is increased. The valve element is provided with a lower contact portion that comes into close contact with a lower valve seat disposed at a valve body when a valve is closed, and with an upper contact portion that comes into close contact with an upper valve seat disposed at a counter plate when the valve is open. The counter plate has a first recess that is open downward and a second recess that is open toward the first recess and has a smaller horizontal cross-sectional area than that of the first recess, and the upper valve seat is press-fitted into the second recess.

Growing community of inventors

Tokyo, Japan

Yasuhiro Yoshikane