Introduction
SIEMENS Flow switch QVE1901 for use in hydraulic systems, PN25, DN20...200
The QVE1901 sensor is used to monitor the flow of liquid medium in HVAC plants in hydraulic systems, in particular, refrigeration, heat pump and heating plants, e.g. for evaporators, boilers, heat exchangers, etc.
Digital output, switching voltage:230 VAC, 48 VDC
Digital output, switching current:1 A
Connection, electrical:Screw terminals
Type of fixing:Thread G ½ "
Nominal size, piping:DN20 - DN200
Connecting :thread;G ½ " thread
Digital outputs:1-pin , Potential-free , On / Off
PN class:PN 25
Medium temperature:-20...110 °C
Ambient temperature, operation:-20...80 °C
Material, valve body:Brass
Degree of protection:IP65
Dimensions (W x H x D):120 x 38 x 92 mm
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