Flow switch QVE1900 for liquids in piping DN 32…200. QVE1900 is used in HVAC plants to monitor the flow of fluids in hydraulic systems, especially in refrigeration, heat pump and heating plants, e.g. for use with condensers, boilers, heat exchangers, etc.
QVE-1900 Features:
Suitable media All liquids
(not suitable for ammonia)
Piping diameter DN 32…200
Type of switch Microswitch
with single-pole changeover, potential free
Contact rating AC 250 V, 15 (8) A
Adjustment of switching point manual, supplied with minimum
switch-on/off values
Setting range Refer to switching value table
Perm. medium temperature -20…+120 °C
