Rising stem gate valve, also known as lifting stem gate valve, refers to a gate valve where the valve stem moves up and down, and its transmission thread is located outside the body cavity. The rising stem gate valve achieves gate opening and closing by rotating the valve stem nut to drive the valve stem up and down (without rotation). The gate plate of this structure gate valve has a clear opening, and the threaded part of the valve stem is not in contact with the valve stem nut and is not affected by the temperature and corrosiveness of the medium.

