Product name: Stainless Steel Tri Clamp Reducer CF1004 Connection Type: Clamped, welded, threaded, flanged, etc Material quality: SUS304, SUS316L Standard: DIN, ISO, IDF, 3A Specification: DN25-150&1"-6", Polishing: Mirror polish(Ra0.5-0.8um), Semi-polished(Ra 1.6-3.2um) We supply kinds of stainless steel products, such as valves, pipe fittings, flanges, stainless steel tubes, and so on.