Fine dosing unit, used for conveying predetermined amount of gases or liquids, comprises inlet valve, dosing valve and outlet valve in valve block with inlet, outlet and connecting channels

摘要

Fine dosing unit comprises an inlet valve (5), a dosing valve (6) and an outlet valve (7) in a valve block (2) with an inlet (3), an outlet (4) and connecting channels (8). Preferred Features: The inlet valve, dosing valve and outlet valve are magnetic valves. The conveying direction is determined in selected intervals as a consequence of opening and closing the valves (5, 6, 7). The unit is formed as a closed module, and has an internal control electronic unit (9), an intersecting point (10) and external connections for introducing and removing the medium being conveyed via the inlet and outlet.