Concentric cones are the simple option for product drainage. The minor opening for concentric cones is centered on the diameter but they don't have a knuckle and straight flange. Not only do they have a straightforward design, but they are the most cost-effective cone style available.
Paul Mueller Company can build your concentric cone to height and polish for sanitary applications. There is also a wide range of minor opening diameters that can match the outlet size you need.