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| Siemens Model No. QVE1901 Measuring Parameters Liquid Flow Switch Digital output | |
|---|---|
| switching voltage 230 VAC | |
| 48 VDC Digital output | |
| swtiching current 1 A Nominal pressure PN 25 Operating Temperature -20 to 80 °C Storage Temperature -20 to 80 °C Ambient humidity <95 % r.h. Protection class III according to EN 60730-1 Dimensions 120 X 38 X 92 mm (W X H X D) Weight 0.31 kg |
Siemens QVE1901 Flow Switch is a high-quality mechanical device designed to monitor and control liquid flow in HVAC and industrial piping systems. Engineered for reliability and durability, it ensures that a predetermined flow rate is maintained, helping protect pumps, heat exchangers, and other system components from damage caused by insufficient or interrupted flow. it can be used in hydraulic systems, PN25, DN20 … 200. In hydraulic systems, in particular, refrigeration, heat pump, and heating systems (e.g. for evaporators, boilers, heat exchangers, etc.) is regulated by the Québec QVE1901 sensor.
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