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Macnaught MX Oval Gear Flow Meters are Industrial Grade Positive Displacement Flow Meter devices. Our MX Meters provide true volumetric measurement of liquid thru the meter – not of scale, but actual flow measurement.
MX Meter bodies are machined of solid billet, our Rotor shafts are hardened alloy and our Rotor design is unmatched for accuracy and reliability. Our MX PD Meters are for clean fluids, only – no gases or solids-laden liquids.
MX Meter Case Studies
> Rail Car Fluid Flow Measurement
> Agriculture Chemical Flow Meter
> Marine Vessel Fuel Measurement
| Model | Size | Flow Range | Max Pressure |
Max Temp PPS Rotors |
Max Temp Peek /SS Rotors *Remote display only |
| MX06 | ¼” | .5-100 LPH | 1,000 PSI | 80C | 120C SS Only |
| MX09 | ¼” | 15-1190 LPH | 1,000 PSI | 80C | 120C SS Only |
| MX12 | ½” | 2-55 LPM | 2,000 PSI | 80C | 120C SS Only |
| MX19 | ¾” | 3-80 LPM | 2,000 PSI | 80C | 120C SS or PEEK |
| MX25 | 1” | 6-191 LPM | 2,000 PSI | 80C | 120C SS or PEEK |
| MX40 | 1.5” | 10-418 LPM | 1,500 PSI | 80C | 120C SS or PEEK |
| MX50 | 2” | 4-200 GPM | 1,200 PSI | 176F | 248F SS or PEEK |
| MX75 | 3” | 5-194 GPM | 175 PSI | 248F | 248F AL Only |
| MX100 | 4” | 31-317 GPM | 175 PSI | 248F | 248F AL Only |
Fluid Categories Well Suited for MX Oval Gear Flow Meters
Fuels • Oils • Solvents • DEF/ADBLUE • Greases • Lubricants • Fuel Additives • Glycols Polyols • Isocyanates • Asphalt Emulsions • Sealers • Epoxies • Adhesives • DI Water General Water • Acids • Bases • Inks • Chemical Additives • All Clean Process Fluids
The measuring element of an oval gear meter consists of two high-precision splined oval-shaped gears (Rotors).
The gears are driven by the flow of the media and “mesh” together. In the presence of flow, exact known defined volumes of fluid are swept through the meter per each rotor rotation.
As flow increases, so does the rotational speed of the Rotors.
The number of revolutions is a precise highly accurate measure of the fluid that has passed through the meter. Regardless of viscosity, pressure, or temperature.
Each “active” Rotor rotation creates a pulse and is detected by a sensor. Each meter is individually calibrated per ISO 17025 standards to .5% accuracy
METER FLOW 
