ThinkTop Basic is a standard valve control unit made for surveillance and to exploit confined duties on Alfa Laval Sanitary valves. ThinkTop Basic can be configured with up to 0, 1, 2 or 3 solenoids for Alfa Laval butterfly, single-seat and Mixproof valves and provides two real-time feedback signals for the main valve positions. The tolerance band is preset to fit all Alfa Laval Sanitary valves. ThinkTop Basic design offers a single sensor solution that is available with either digital interface VDC, AS-Interface or (ATEX) intrinsically safe interface.