Graco Inc.

GL-43 Oil Injectors  High Performance Injectors

Accurate, reliable lubrication for every lube point on your machine

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With its one piece design, Graco's GL-43 oil injector systems are easy to design, fast to set up and allow you to add or subtract lube points without having to redesign your lubrication system. Handles low viscosity lubricants.

  • Longer lasting seal design for trouble-free performance
  • Precision-honed components for reliable operation in challenging environments
  • Adjustable output volume from .001–.008 cubic inches (0.02–0.13 cm3) to custom fit the system to meet the needs of each lube point
  • Convenient front-mounted cycle pin indicator for quick confirmation that the injector is functioning properly
  • Operating pressures from 750-1000 psi (52-69 bar) for optimal performance with low viscosity lubricants (#10 weight minimum)
  • Offered both as a stand-alone injector and replacement injector for manifold systems, allowing you to custom fit the injectors to your applications

GL-32 (Grease) and GL-43 (Oil) Injectors
Oil Models
Maximum Operating Pressure
1000 psi
68.9 bar, 6.89 MPa
Minimum Operating Pressure
750 psi
51.7 bar, 5.17 MPa
Suggested Operating Pressure
850 psi
58.6 bar, 5.86 MPa
Reset Pressure
150 psi
10.3 bar, 1.03 MPa
Output Volume per Cycle
adjustable: 0.001 - 0.008 cubic in
adjustable: 0.001 - 0.008 cubic in
Wetted Parts
carbon steel, stainless steel, copper, fluoroelastomer
carbon steel, stainless steel, copper, fluoroelastomer
Recommended Fluids
Minimum SAE 10 weight oil (Only use fluids appropriate for your application, automatic dispensing and the equipment’s operating temperature. Consult with machine and lube manufacturer for details)
Minimum SAE 10 weight oil (Only use fluids appropriate for your application, automatic dispensing and the equipment’s operating temperature. Consult with machine and lube manufacturer for details)
Grease Models
Maximum Operating Pressure
3500 psi
241 bar, 24 MPa
Minimum Operating Pressure
1200 psi
83 bar, 8.3 MPa
Suggested Operating Pressure
2500 psi
172 bar, 17 MPa
Reset Pressure
200 psi
14 bar, 1.4 MPa
Output Volume per Cycle
adjustable: 0.001 - 0.008 cubic in
0.016 - 0.131 cc
Wetted Parts
carbon steel, stainless steel, copper, fluoroelastomer
carbon steel, stainless steel, copper, fluoroelastomer
Recommended Fluids
Grease N.L.G.I. grades #000 - #2 (Only use fluids appropriate for your application, automatic dispensing and the equipment’s operating temperature. Consult with machine and lube manufacturer for details.
Grease N.L.G.I. grades #000 - #2 (Only use fluids appropriate for your application, automatic dispensing and the equipment’s operating temperature. Consult with machine and lube manufacturer for details.