Other

Hwaseung Exwill Co., Ltd.

Hwaseung Corporation Co., Ltd.

Lee, Seong-jae

Soon Hwan Yun

Seong Jae Lee

Young Chun Kim

Kyoung Hwan Kong

Disclosed is a shut-off valve installed in an accommodation chamber regulating entry/exit of air. The shut-off valve includes: a body removably disposed in the accommodation chamber and having multiple air passage holes; a valve stem adapted to be moved vertically along a valve stem insertion hole formed in the body; a disc mounted on a disc engagement portion formed at a lower end of the valve stem to open/close at least one of the multiple air passage holes; a rotor disposed on an upper side of the body to vertically move the valve stem, the rotor being provided with an opening/closing indicator to check opening/closing of the shut-off valve outside the accommodation chamber, wherein the accommodation chamber has an upper wall, a lower wall, and a side wall, the body disposed passing through the upper wall and lower wall of the accommodation chamber, and the disc is located outside the accommodation chamber.

Growing community of inventors

Busan, South Korea

Soon Hwan Yun