Lincoln 4491


Single Acting Oil Pump, Air, 6 GPM

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$534.15+ 3 Business Day Shipping $16.25


ItemSingle Acting Oil Pump
TypeAir Operated
Air Motor Size (In.)3
Pump Ratio3.5:1
Ounces per Stroke4
Container Size250 to 275 gal.
Consumption @ 100 PSI7 cfm
Working Flow Max. (GPM)6
Min. Air Inlet Pressure40
Max. Air Inlet PSI150
Outlet Pressure Max. (PSI)525
Air Inlet (In.)1/4-18
Outlet Size3/8-1/2"
Max. Output6.0 gpm
Fluid Inlet Thread (In.)2" Bung
Fluid Outlet Thread (In.)1/2
Pump for Multiple OutletsYes
Standards FNPT
Includes Bung Bushing
Weight 15.000000


Single Acting Oil Pump, Air Operated, Pump Ratio 3.5:1, 4 Ounces per Stroke, 250 to 275 gal., Consumption @ 100 PSI 7 cfm, Min. Air Inlet Pressure 40, Max. Air Inlet PSI 150, Outlet Size 3/8-1/2 In., Max. Output 6.0 gpm, Yes Pump for Multiple Outlets, Standards FNPT, Includes Bung Bushing

  • Note: Choose the pump ratio for your particular application: 1:1 High Volume for transfer through short runs with small pressure drops. 3:1 Medium Volume for use in portable and stationary oil distribution systems comprised of pipelines and/or hose reels and fluid meters. 5:1 Heavy-Duty High Volume for use in oil distribution systems with long pipelines and/or hose reels and fluid meters. Pumps to multiple bays simultaneously.

Single-Acting Oil Pumps
  • Air-operated, self-priming pumps for low- and medium-viscosity fluids from drums and other tanks. 1XGN6 is designed for placement in 25- to 275-gal. bulk tanks with supplied bung bushing.
  • Lincoln Oil
  • Pumps can be used with motor oil, automatic transmission fluid, and gear oil.
  • High Flow Pumps

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