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President 3:1 and 4:1

Designed for high production applications, President pneumatic 2-ball piston pumps provide consistent delivery.

  • Drum and stubby length models available for mounting and application flexibility
  • Positive displacement, 2-ball piston design provides uniform and easily controlled delivery
  • Divorced air motor eliminates fluid and fume contamination, reducing maintenance
  • Stainless steel or carbon steel models available to handle various fluids
graco-president-3-1 4-1

3:1 President, 4:1 President, and 2:1 Monark

3:1 President, 4:1 President, and 2:1 Monark
Model 220575
Ratio 3:1
Maximum fluid working 3.5 MPa, 35 bar
Maximum air input 1.2 MPa, 11.6
Pump cycles per 1 gallon (3.8 liters) 6.3
Fluid flow at 60 cycles per 35.1 liters/min
Fluid inlet size 1–1/2 npt(f)
Fluid outlet size 1 in. npt(f)
Air inlet size 1/2 npt(f)
Weight 50 kg
Maximum pump operating temperature 82°C
* Sound pressure levels (dBa) (Input air pressures at 15 cycles per minute) @ 40psi 0.3 MPa, 2.8 bar, @ 70 psi 0.5 MPa, @ 100psi 4.8 bar,0.7 MPa, 7 bar
* Sound power levels (dBa) (Input air pressures at 15 cycles per minute) @ 40 psi 0.3 MPa, 2.8 bar, @ 70 psi 0.5 MPa, 4.8 bar, @100 psi 0.7 MPa, 7 bar
Wetted parts Chrome Plated Stainless Steel, Ultra–High Molecular Weight Polyethylene, Leather
Model 230992
Ratio 4:1
Maximum fluid working 2.8 MPa, 28 bar
Maximum air input 0.7 MPa, 7 bar
Pump cycles per 1 gallon (3.8 liters) 8
Fluid flow at 60 cycles per 30.4 liters/min
Fluid inlet size 1–1/2 npt(f)
Fluid outlet size 1 in. npt(f)
Air inlet size 3/8 npt(f)
Weight 50 kg
Maximum pump operating temperature 82°C
* Sound pressure levels (dBa) (Input air pressures at 15 cycles per minute) @ 40psi 0.3 MPa, 2.8 bar, @ 70 psi 0.5 MPa, 4.8 bar, @100 psi 0.7 MPa, 7 bar
* Sound power levels (dBa) (Input air pressures at 15 cycles per minute) @ 40 psi (0.3 MPa, 2.8 bar), @ 70 psi (0.5 MPa, 4.8 bar), @100 psi (0.7 MPa, 7 bar)
Wetted parts Supply and Return Tubes: Nickel-plated carbon steel. Air Motor Base: Aluminum Displacement Pump: Refer to manual 307983
Model 230993
Ratio 2:1
Maximum fluid working 2.8 MPa, 28 bar
Maximum air input 0.7 MPa, 7 bar
Pump cycles per 1 gallon (3.8 liters) 11
Fluid flow at 60 cycles per 21 liters/min
Fluid inlet size 1–1/2 npt(f)
Fluid outlet size 1 in. npt(f)
Air inlet size 3/8 npt(f)
Weight 50 kg
Maximum pump operating temperature 82°C
* Sound pressure levels (dBa) (Input air pressures at 15 cycles per minute) @ 40 psi 0.3 MPa, 2.8 bar, @ 70 psi 0.5 MPa, 4.8 bar, @100 psi 0.7 MPa, 7 bar
* Sound power levels (dBa) (Input air pressures at 15 cycles per minute) @ 40 psi 0.28 MPa, 2.8 bar, @ 70 psi 0.5 MPa, 4.8 bar, @100 psi 0.7 MPa, 7 bar
Wetted parts Supply and Return Tubes: Nickel-plated carbon steel. Air Motor Base: Aluminum Displacement Pump: Refer to manual 307983
*Tested in accordance with ISO 9614–2.

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