Mechanical flow switch QVE1900

paddlefor liquidsfor gas

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. Mechanical design The unit comprises a base with attached screw-in body R1 (refer to "Dimensions") and cover. The base houses the microswitch, transfer lever with adjusting screw (for switchon/switch-off point), a paddle holder and an opening for the cable entry. Four paddles of various lengths and attaching screws for mounting the paddles are enclosed. The cover is secured to the base with two screws.