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Model 37F
 Standard Duty Gear Pump
 316 SS |  Alloy-C |  Alloy-20
 Sealed | Mag-Drive
Port Connections 3/4" NPT/BSPT
3/4" FLG*
Max Flow Rate 10.7 GPM; 40.5 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 5.2 FT; 1.6 M
Lift (Dry) @ Max Speed 7.0 FT; 2.1 M
Weight (without motor)
  Sealed, Long-Coupled
  Sealed, Close-Coupled
  Mag, Close-Coupled

6.5 LBS; 3.0 KGS
29 LBS; 13 KGS
36 LBS; 16.4 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The 3-Series Gear Pumps have been replaced by the H-Series gear pump line.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
37F (pdf)
Dimensional Drawings
37F/R Sealed LC (pdf)
37F/R Sealed LC Base (pdf)
37F/R MC/Sealed CC (pdf)
37F/R 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
37-Series (pdf)



37F Performance Curves  
37F Dimensional Drawings  
37F Sealed with Threaded Ports, Long-Coupled
Model 37F
Dimensional Data (inches) for available Seal Configurations
Dimension Single Mechanical Seal
Double Mechanical Seal
External Mechanical Seal Packing Seal Lip Seal
CP (1) 8.32 10.44 8.32 8.32
L 5.98 8.10 5.98 5.98
N 1.11 3.23 1.13 (2) 1.44
(1) Add .31 inches for Bearing Flush Plugs.
(2) Minimum dimension.


37F Mag-Drive & Sealed with Threaded Ports, Close-Coupled



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