Z45X Non-Rising Stem Elastic Seat Gate Valve This valve is composed of valve body, valve cover, valve stem, valve stem nut, gate plate and other parts. This valve achieves excellent sealing effect by utilizing the micro elastic deformation compensation of the elastic gate plate. It has remarkable advantages such as light and flexible opening and closing, reliable sealing, excellent elastic memory and long service life. It features full bore, non-rising stem operation, flange