Asco Joucomatic’s new digital Sentronic D proportional valves have been introduced in order to maximise continuous automated production processes in all sectors of industry. The Sentronic D valves enable PID control loops to be optimised quickly with extreme levels of sensitivity and with minimum levels of hysteresis. The new digital valves are a further development of Asco Joucomatic’s Sentronic range, which provides solutions to proportional problems with air and gases in such fields as food, chemical, testing, medical, military, automotive, general industrial, simulation and bottling.