MACNAUGHT M-Series positive displacement flow meters utilise the proven oval rotor design and are available in a comprehensive selection of models and sizes.

High accuracy with excellent levels of repeatability are key features of this oval gear flowmeter range. They are suitable for both thin and thick liquid media and do not require special installation considerations. To fully understand how the flow meter part code is put together click here. MACNAUGHT Selection Chart


MACNAUGHT M-Series oval gear flow meters are suitable for measuring virtually all oils and liquid fuels including, Biodiesel, Kerosene, Grease, Bunker oil, Ethanol, Petrol etc. The oval rotor design ensures that all fluid is precisely measured without the need for flow conditioning. A choice of materials, connection types, signal outputs and display options make this range of oval gear flow meters from MACNAUGHT one of  the most comprehensive on the market.