Industrial Oval Gear (IOG) Positive Displacement Flow Meters

Positive displacement (PD) design, Industrial Oval Gear flow meters, are unique as they are the only meters on the market that directly measure actual volume. All other metering techniques infer the volume by making a type of measurement and equating it to the flow rate.
Badger Meter Industrial Oval Gear flow meters are compatible with a wide range of industrial liquids from general to corrosive, making them ideal for chemical dispensing, bulk filling of diesel or other petroleum products, and dispensing of industrial fuels and lubricants.


Typical Applications:

  • Chemical
  • Petrochemical
  • Oil & gas
  • Pulp & paper
  • Paints & coatings
  • Printing


  • Meter-mount, local display registers with choice of no output, scalable  pulse output, quadrature/dual pulse output, or 4…20 mA output
  • Meters do not require a straight run of pipe or flow conditioning
  • Wide flow range, low pressure drop and extended viscosity range unlike other flow meters
  • Meter-mount, non-scaled transmitters with either a single-reed switch  or dual-reed switch
  • Meter or remote-mount large display options include models with   choice of 4…20 mA output, Modbus RTU or BACnet MSTP
  • Some models are explosion-proof rated
  • Pipe size: 1/4…3 in. (6…76 mm)
  • Flow range: 0.07…185 gpm (0.26…700 lpm)
  • High accuracy and repeatability
  • Operating pressure: up to 740 psi
  • Industrial Oval Gear flow meter is unaffected by shifts in frequency output due to viscosity variance
  • The meter is well suited for diverse fluids with a viscosity range of 5…1000 centipoise
  • Construction: choice of aluminum or 316L stainless steel
  • Mountable in any orientation