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Flow Meters

Raven RFM flow meters are compatible with most chemicals and liquids. A turn down ratio of 50:1 makes any flow meter in the RFM series an ideal choice for most agricultural and industrial applications. With a wide variety of flow capacities and housing, turbine, shaft and bearing materials, we're sure to have a flow meter to match your application needs.

For monitoring liquid and manure applications, our Magmeter Series is specially designed without turbines, so you won’t miss a beat. Both RFM and Magmeter flow meters are programmed to run flawlessly with all Raven consoles, field computers and control area network (CAN) systems.

Flow Meter Flow Rate Material Fittings
RFM 5 0.1-5 GPM Stainless Steel 1/4" NPT
RFM 15 0.3-15 GPM Poly M200 Flanged/1-1/2" NPT
RFM 60S 1-60 GPM Stainless Steel 1-1/2" NPT
RFM 60P 1-60 GPM Poly M200 Flanged/1-1/2" NPT
RFM 100 5-100 GPM Poly M220 Flanged/2" NPT
RFM 100P 3-100 GPM Poly M200 Flanged
RFM 200 15-200 GPM Cast Iron 3" NPT
RFM 200P 15-200 GPM Poly M300 Flanged/3" NPT
Magmeter- 3" 22-995 GPM Stainless Steel/Teflon ANSI B16.5
Magmeter- 4" 35-1493 GPM Stainless Steel/Teflon ANSI B16.5
Magmeter- 6" 70-3000 GPM Stainless Steel/Teflon ANSI B16.5


Raven’s FlowMax fluid transfer systems make it simple and convenient to monitor product flow from the nurse truck to your sprayer. The digital display is easy to read, and the controls are on the meter.

While our RFM series flow meters are used for spraying applications, the FlowMax series is designed exclusively for stationary fluid transfer, and lets you set your own fluid transfer rate.


  • Flanged 2" plumbing (M220)
  • Weather-resistant enclosure
  • Simple setup and operation
  • Replaceable 3.6 volt long-life battery
  • Records three separate total volumes
  • Displays rate of flow in L/min
  • Mounts “in-line” to monitor flow rate with maximum precision
  • Self-contained digital display shows flow rate and totals
  • 750 l/min maximum
  • Self-contained – no other consoles, cables or flow meters needed