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Model 39R
 Standard Duty Gear Pump
 316 SS | Alloy-C | Alloy-20
 Sealed | Mag-Drive
Port Connections 1" NPT/BSPT
1" FLG*
Max Flow Rate 15 GPM; 57 LPM
Max Differential Pressure 100 PSI; 6.9 BAR
Max Discharge Pressure 225 PSIG; 15.5 BARG
Max Viscosity 100,000 CPS (mPas)
Max Temperature 500 °F; 260 °C
Min Temperature -40 °F; -40 °C
Max Speed 1750 RPM
NPSHR @ Max Speed 4.0 FT; 1.2 M
Lift (Dry) @ Max Speed 6.0 FT; 1.8 M
Weight (without motor)
  Sealed, Long-Coupled
  Sealed, Close-Coupled
  Mag, Close-Coupled

8 LBS; 3.6 KGS
34 LBS; 15.5 KGS
38 LBS; 17.3 KGS

The 3-Series Gear Pumps have been replaced by the H-Series gear pump line. The H-Series is recommended for all new applications as well as an upgrade to any existing 3-Series installations.

Liquiflo's original 3-Series Gear Pumps are manufactured from 316 Stainless Steel, Alloy-C or Alloy-20 and are available in Sealed or Mag-drive configurations with flows up to 55 GPM and differential pressures up to 100 PSI.

*Standard Flanges are ANSI 150# RF.

Contact us for your application needs

Performance Curves
39R (pdf)
Dimensional Drawings
39R Sealed LC (pdf)
39R Sealed LC Base (pdf)
39R MC/Sealed CC (pdf)
39R MC LC Base (pdf)
Product Manuals
31F-39F Sealed LC&CC (pdf)
31F-39F Mag-Drive CC (pdf)
Model Coding
3-Series (pdf)
Bill of Materials
39-Series (pdf)



39R Performance Curves  
39R Dimensional Drawings  
39R Sealed with Threaded Ports, Long-Coupled
Model 39R
Dimensional Data (inches) for available Seal Configurations
Dimension Single Mechanical Seal
Double Mechanical Seal
External Mechanical Seal Packing Seal Lip Seal
CP (1) 9.68 -- 9.68 --
L 7.08 -- 7.08 --
N 2.00 -- 2.00 (2) --
(1) Add .31 inches for Bearing Flush Plugs.
(2) Minimum dimension.


39R Mag-Drive & Sealed with Threaded Ports, Close-Coupled



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