Butterfly ValveChina Stainless Steel /SUS304 SUS316/Carbon Steel Wafer Lugged and Tapped Butterfly Valve JIS5K 10K 20K 16K JIS B2002 Standard, Find details about China SS304 Valves, SS316 Valves from Stainless Steel /SUS304 SUS316/Carbon Steel Wafer Lugged and Tapped Butterfly Valve JIS5K 10K 20K 16K JIS B2002 Standard