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Model 312R
 Standard Duty Gear Pump
 316 SS | Alloy-C
 Sealed | Mag-Drive
Port Connections 1 1/4" NPT/BSPT
1 1/2" FLG*
DIN40 PN16 FLG
Max Flow Rate 22 GPM; 83 LPM
Max Differential Pressure 100 PSI; 6.9 BAR
Max Discharge Pressure 270 PSIG; 18.6 BARG
Max Viscosity 100,000 CPS (mPas)
Max Temperature 500 °F; 260 °C
Min Temperature -40 °F; -40 °C
Max Speed 1150 RPM
NPSHR @ Max Speed 5.0 FT; 1.5 M
Lift (Dry) @ Max Speed 15 FT; 4.5 M
Weight (without motor)
  Sealed, Long-Coupled
  Mag, Long-Coupled
52 LBS; 23.6 KGS
70 LBS; 31.8 KGS

312R Sealed
312R Mag-Drive
Long-Coupled
Long-Coupled

 

The 3-Series Gear Pumps have been replaced by the H-Series gear pump line.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.
 
 
312R Performance Curves (Typical)  
 
 
 
312R Dimensional Drawings  
 
 
 
312R Sealed with Flanged Ports, Long-Coupled
Model 312R
Dimensional Data (inches) for available Seal Configurations
Dimension Single Mechanical Seal
Double Mechanical Seal		 Packing
CP (1) 15.19 15.19
L 11.25 11.25
N 4.06 3.78 (2)
(1) Add .31 inches for Bearing Flush Plugs.
(2) Minimum dimension.

 

312R Mag-Drive with Flanged Ports, Long-Coupled

 

 

 
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