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President 20:1

With higher pump pressures and flow rates, Graco priming piston pumps handle a broad range of inks with ease. They offer durability, power and reliability in many ink manufacturing or printing applications.

  • Produces up to 2000 psi (137 bar) when mounted on a 450 pump
  • Positive displacement, priming piston design provides uniform and easily-controlled delivery
  • Evacuates with pails, drums and bins with ease
  • Extremely durable pump with long-life packing design, and low maintenance
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Check-Mate 450 Pumps

Check-Mate 450 Pumps
Ratio 20:1
Maximum fluid working pressure 25 MPa, 248 bar
Maximum air input pressure 1.2 MPa, 12 bar
Pump cycles per 3.8 liters (1 gal.) 48
Fluid flow at 60 cycles/min 4.5 liters/min (1.2 gpm)
Air motor effective diameter 108 mm
Stroke length 102 mm
Displacement pump effective area 4.5 cm²
Maximum pump operating temperature 82°C
Weight 22.7 kg
Wetted parts Carbon Steel; E52100, 41L40, and 4140 Alloy Steel; 304, 316 and 17-4 PH Grades of Stainless Steel; Ductile Iron; Zinc and Nickel Plating; PTFE; Acetal; Ultra-High Molecular Weight Polyethylene (not used on Displacement Pump 235540)

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