... , API 600, BS 6755. Type: Rising Stem and Wedge Single Disc, Solid or Flexible wedge. Stop Valve (global valve):Specification: 1). NPS: 2 ... Sanitary butterfly valve ( stainless steel butterfly valve, welded butterfly valve, flang butterfly valve, thresded butterfly, clamped butterfly valve, SMS butterfly valve, DIN butterfly valve, ISO butterfly valve, valve) Detailed ...