Types of Valves - A-T Controls, Inc. Manual and Automated Ball Valves; V-Port & V-Full Port Segmented Control Valves; High Performance & Resilient Seated Butterfly Valves (Wafer & Lug Style) Flanged, 3-way Threaded Valves with mounted Actuator Assemblies. Valve Packages - A-T Controls, Inc. Valve Packages: 2-Piece, 3-Piece, High Performance, Soft Seat, High Temperature, Metal Seat, Split Body Flanged, Firesafe, Direct Mount, Sanitary, Multi Port, 3- way, 4-way, 5-way, Tank Bottom, 3-way Flanged, 3-way Threaded