Macnaught MX19 Series Model ¾” Digital Flow Meter
Macnaught MX19 Series Model ¾” Digital Flow Meter

Macnaught MX19 Series Model ¾” Digital Flow Meter

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Macnaught MX19 Series Model ¾” Digital Flow Meter are suitable for flows between 0.8-21 GPM. The ¾” Digital Flow Meters have an accuracy of +/- 0.5% and provides exceptional levels of reliability and durability.

Macnaught’s Positive Displacement Flow Meters are suitable for a wide range of industrial applications including fuel and oil distribution, corrosive chemical, solvent measurement and high pressure applications to name a few. Macnaught offers Positive Displacement Flow Meters featuring Oval Gear technology.

The measuring principle includes two high precision toothed oval gears, which are driven by the flow of the medium and mesh with each other: in presence of a flow, defined volumes of fluid are transported through the meter for each rotation of oval gears pair. As the flow rate increases, so does the rotational speed of the rotors.

Macnaught MX19 Series Features

  • Latest Meter Technology
  • Modular Design allows for design flexibility
  • Solid Billet Construction
  • Programmable Digital Display w varied output options


  • High accuracy and repeatability
  • High accuracy and repeatability
  • Suitable for viscous fluids
  • Cost-effective
  • Accuracy unaffected by changes in viscosity
  • Requires minimal maintenance
  • Ease of installation
  • Exceptional turn-down ratio
Another Article:

Macnaught MX19 Series Specification

  MX19F MX19S MX19P
Materials of Construction      
Meter Body Aluminium (6061) Aluminium (6061) Stainless Steel (316)
Rotor PPS Stainless Steel (316) PPS
  Stainless Steel (316)
Seals Fluorocarbon (FKM) PTFE encapsulated (FEP) PTFE encapsulated (FEP)
Design Specifications Threaded Threaded Threaded
Process Connections ¾” G ¾” G ¾” G
  ¾” NPT ¾” NPT ¾” NPT
Technical Specifications
Operating Temperature -40 – 80ºC -40 – 120ºC -40 – 80ºC (150ºC with high temp. rotors)
Range -40 – 176ºF -40 – 248ºF -40 – 176ºF (302ºF with high temp. rotors)
Max. Operating 2000 psi 2000 psi 2000 psi
Pressure 138 Bar 138 Bar 138 Bar
Accuracy +/- 0.5% +/- 0.5% +/- 0.5%
Repeatability +/- 0.03% +/- 0.03% +/- 0.03%
Nominal K-Factor 196.84 Pulses/Gallon 196.84 Pulses/Gallon 196.84 Pulses/Gallon

Ref: macnaughtusa.com

Download Data Sheet: Series MX19 ¾” Digital Flow Meters

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