... coupling etc. Size range: DN25-150 (1- 6) We also supply Sanitary Stainless Steel Fittings, Sanitary Stainless Steel Gaskets, Sanitary Stainless ... Stainless Steel Valves (Three-way Ball, Butterfly, Diaphragm, Sample, Divert, Plug, Ball Check, Disk Check),Accessory Items and Component Partsball valve(globe valve,angle valve)