Gate ValveChina Dn50-2inch-JIS-10K-12volt Viton Rubber Seat Aluminum/Alloy Body Motorized Kitz Butterfly Valve, Find details about China Wafer Butterfly Valve, Butterfly Valve from Dn50-2inch-JIS-10K-12volt Viton Rubber Seat Aluminum/Alloy Body Motorized Kitz Butterfly Valve