Sanitary keystone valves, made of 316L stainless steel with FDA approved translucent Silicone gaskets and clamps made of 316L stainless steel. The center vane has mirror finish and the rest of the valve has satin finish. A Keystone valves with diameters of 6” (150 mm), 8” (200 mm), 10” (250 mm) and 12” (300 mm) are available from stock in USA. Nozzles for these keystone valves are also available for welding on to the blender discharge end.