... 1/2"-8" Material:SS304,SS316 Stainless Steel SMS Butterfly Valve With Threaded End Technical Data Standard3A,DIN,IDF,SMS etc.SizeDN15-150 ... beer, wine, pharmacy, biology and chemical industry.Other ChoicePneumatic valve and Electric valve (100% Tested /100% Inspected)ServicePrompt quotation,competitive price, ... 6776 7980Fax: 86-0577-86828444 Stainless Steel SMS Butterfly Valve With Threaded End