Compound Flow Meters

Compound meters combine positive displacement and turbine measuring technologies to capture accurate measurements in applications that experience rapid and wide fluctuations in water demands.

Compound Series Overview

Water flows directly into the single compound meter housing. If the water is flowing through the meter in a high flow condition, the pressure differential causes the spring-loaded valve assembly to open. It flows past the straightening vanes at the entrance to the measuring element, helping to condition the water flow. As the water flows into the element, it comes in contact with the rotor, which lifts into a floating position and begins to spin. A right-angle worm gear couples the rotor to a vertical spindle, which, in turn, drives the gearset that rotates a coupled magnet on the wet side of the meter. The rotor’s revolutions are then transmitted via this coupling, through the cover plate, to the register. Finally, the water flows into the downstream side of the meter’s housing, where the valve assembly resides. The water then exits through the outlet.