Motor valve as alternative to solenoid valves
With a series of electrically controlled motor valves Bürkert expands the spectrum of components for fluid control. The compact valves use two different drive and valve concepts, depending on the orifice size: the first is based on linear drive seat valves for orifices DN 2 to DN 6 (Type 3270: shut-off valve, Type 3280: proportional valve). For the larger orifices DN 8 to DN 25 Bürkert relies on rotary drive disc valves. They are likewise available as shut-off valves (Type 3275) and as proportional valves (Type 3285). In the seat valves, the direction of flow against the seat is from below. They feature high leak tightness and short closure times. In the disc valves the direction of flow against the seat is from above. They are impressive due to their pressure insensitivity. In the development of the motor valves Bürkert focused especially on a compact design, even in the case of larger orifices.
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