Dwyer Instruments
Flow Switches
Flow switch sensors with an electrical contact output at a specific flow rate have different types of switches, which are a paddle, thermal, piezo, and shuttle/piston

SERIES FS-2 VANE FLOW SWITCH

SERIES V4 FLOTECT® VANE-OPERATED FLOW SWITCH

SERIES V8 FLOTECT® VANE OPERATED FLOW SWITCH
