PDFlo™ PDSG1, Flocorp-Positive Displacement Spur Gear Flow Meter

PDFlo™ PDSG1 Positive Displacement Spur Gear Flow Meter

Flow measurement provides a variety of application specific challenges because each has individual measurement requirements, restrictions, piping considerations, etc. FLO-CORP’s experienced team is second-to-none when providing expert flow advice on the correct meters for your application. Our team will help you navigate through the selection process if you are not sure which meter to use. Technologies offered include variable area, positive displacement, ultrasonic, magnetic, mass, and open channel flow meters.

Flow measurement sometimes relies on extreme accuracy despite changing viscosity conditions, and when it does, PDFlo positive displacement flow meters are the right choice. This reliability coupled with a large turndown range offers an affordable replacement for older turbine technology. Beyond their measurement ability, the solid construction and dynamic response of these meters causes them to stand the test of time, even in extreme process conditions.

PDFlo PDSG1 represents a positive displacement meter that is affordable and accurate. One primary feature is the ability to maintain consistent accuracy despite changing viscosity conditions. This reliability, coupled with a large turndown range, offers an affordable replacement for older turbine technology. The meter’s solid construction and excellent dynamic response are well suited to the measurement of oil, grease, fuel, solvents, polyurethanes, brake fl uid, skydrol as well as other nonabrasive lubricating fluids. Since there is no need for straight run piping upstream or downstream of the flow meter, the PDFlo flow meters are simple to use and to install. The meters produce good resolution and high accuracy at low flow rates. Flow may be bidirectional without damage to internal parts. Non-intrusive sensors, panel displays and electronic modules can be added to complete this superior value package.

Features and Benefits

  • Flow ranges 0.003 to 120.0 GPM
  • Accuracy ± 0.5% of reading
  • Pressure rating up to 5000 PSI
  • Economical cost
  • Seven Flow Ranges available
  • Aluminum, 303 and 316 SS bodies
  • Pulse, mA and Voltage Sensors available
  • Bi-Directional flow capabilities


Body MaterialAluminum, T-303 SS, T-316 SS
GearStainless Steel
O-RingTeflon, Viton, EPDM
BearingsStainless Steel



± 0.5% with over 10:1 turndown with 30cP fluid
Repeatability± 0.1%
Max. Temperature185ºF (Aluminum Body), 400ºF (SS Body)

Download Datasheet: PDFlo™ PDSG1, Flocorp-Positive Displacement Spur Gear Flow Meter

Ref: Flo-corp.com