Stainless steel ball valves: Type: 1pcs ball valves, 2pc ball vales, 3pcs ball valves Connection End: threaded ball valves, flanged end ball valves, butt welded ball valves, socket welded ball valves Material: ... SS304, SS316, CF8, CF8M, DIN1.4408 Size: From 1/4" to 4 ...