QED Environmental Systems is the leading manufacturer of innovative environmental products.
For over 35 years their expertise has included Pumping Systems, Landfill Products, and Air Strippers.

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FLO-MAX Flow Meter

FLO-MAX Inline Leachate Flow Meter


QED continues to provide better ways for the Landfill Gas industry to perform day to day operations. Knowing you have the right equipment for the job allows you to focus on productivity rather than troubleshooting equipment and recording inaccurate data. The FLO-MAX inline leachate flow meter uses turbine rotor technology with digital display to record both batch and cumulative liquid volumes.

Applications: Leachate Collection

  • LFG Well De-watering
  • Knock Out vessels


  • Digital Display
  • Easy Installation
  • Replaceable Battery
  • Low Maintenance


  • Computer Display - Batch and Cumulative Totals
  • One click Flowrate Feature
  • Continuous and always ready to perform
  • Field Calibration information visible
  • Turbine Rotor design
  • Battery Replacement


Design Type Turbine
Connection 1 Inch NPT
Wetted Components Housing: PVC
Journal Bearings: Ceramic
Rotor and Supports: PVDF
Retaining Washer: Stainless Steel
Max. Working Pressure 225 PSIG @ 73° F
Battery Two 3-Volt Lithium


Unit of Measure Gallon / Liter
Flow Range 5 - 50 GPM (19-190 LPM)
Accuracy with Computer ± 3.0% of reading (Accuracy can be improved with field calibration)
Operating Temperature +32° to +140° F (0° to +60° C) (Do not allow fluid to freeze inside meter)
Product Weight NPT
.84 lbs (.381 kg)
Dimensions - Inches
(W x H x L)
With NPT Fitting 2.1 x 2.9 x 6.5
Dimensions - Centimeters
(W x H x L)
With NPT Fitting 5.3 x 7.9 x 16.5