... gear, electric and pneumatic. Company Profile: Tianjin Tanggu Tianshun Valve Co., Ltd., have manufactured butterfly valves for over 17 ... centerline double flanged butterfly valve), D343(double eccentric flanged butterfly valve), Grooved end type, Double disc wafer check valve, Resilient flapper check valve, Eccentric plug valve, ... don’t hesitate to let me know. Double Flange centerline butterfly valve