Graco Inc.

Manzel GBL 7500 

Compressor Lubrication Pump

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Graco offers three vigorously tested models engineered for long-life and maximum flexibility for easy system integration. Each model has been improved to perform in best-practice applications for a durable solution that is hard to beat. Product offering includes Suction, Gravity, Pressure and Alarm pumps.

  • Mechanically driven from camshaft in reservoir. 
  • Adjustable from 1 to 27 drops per stroke and develop pressures up to 7,500 psi.
  • Rugged construction for high quality performance and durability with easy to adjust pump output.
  • 1/4" NPT inlet to improve flow in high viscosity, cold environments.
  • Double Ball Outlet Check reduces ball travel.
  • Improved o-ring seals to eliminate leak paths.
  • Patent pending Built-in-Socket spreads force evenly over piston tip to avoid bending and wear for long piston and rocker life. 
  • Ball bearing roller has superior rotation to help protect camshaft from damage. Larger diameter roller spreads load pressure to reduce wear and improve pump life. 
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Suction, Gravity Pressure Fed Box Lubricator Pump or Shaft Rotation Alarm Pump
Temperature Rating
-20°F to 140F°
-29°C to 60°C
Wetted Parts
carbon steel, stainless steel, aluminum, PTFE, Fluoroelastomer, pyrex
carbon steel, stainless steel, aluminum, PTFE, Fluoroelastomer, pyrex
Dimensions
See instruction manual.
See instruction manual.
Maximum Working Pressure
All 3/16" Piston Models
7500 psi
51.7 MPa, 517 bar
All 1/4" Piston Models
6000 psi
41.4 MPa, 414 bar
All 3/8" Piston Models
3500 psi
24.1 MPa, 241 bar
Alarm Pump*
200
1.4 PMa, 14 bar
Inlet Size
Gravity Fed Models
1/8" - 27 NPTF
1/8" - 27 NPTF
Pressure Fed Models
1/4" - 18 NPTF
1/4" - 18 NPTF
Outlet Size (Suction, Gravity, Pressure Fed Models)
1/8" - 27 NPTF
1/8" - 27 NPTF
Weight
Suction Models
2.6 lbs
1.18 kg
Gravity Models
2.7 lbs
1.22 kg
Pressure Models
2.7 lbs
1.22 kg
Alarm Pump
4.8 lbs
2.18 kg
Notes
* Sensor output will open at 100-200 psi (0.68 MPa, 6.89 bar).