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Graco Monark Piston Pumps See all Brands

Grace Monark Piston Pumps

Graco’s durable, 2-ball piston pumps have survived the test of time and is setting a new industry standard.

  • Provides material tracking, system diagnostics and runaway control with DataTrak™, the market’s first integrated local monitoring system
  • Positive displacement, 2-ball piston designs for uniform and easily controlled delivery
  • Easily handles a broad range of paints and coatings
  • Designed for improved serviceability with fewer parts, faster repairs and lower cost of ownership
  • 1.5:1, 2:1 & 5:1
  • 15:1 & 23:1
  • Monark 23:1, President 30:1 & 46:1 Packages

Monark 1.5:1, 2:1 and 5:1

Designed for high production applications, Monark pumps provide consistent delivery with its reliable Monark air motor and stubby length for wall-mount applications.

  • Drum and stubby length models available for mounting and application flexibility
  • Positive displacement, 2-ball piston design provides uniform and easily controlled delivery
  • Stainless steel or carbon steel models available to handle various fluids
  • Outlet stanchion tube
  • Fluid return stanchion for circulation back to the pump

Grace Monark 1.5:1, 2:1 and 5:1

2:1 Ratio Monark Pump
Ratio 2:1
Maximum fluid working pressure 14 bar
Maximum air input pressure 7 bar
Pump cycles per 1 gallon (3.8 liters) 11
Fluid flow at 60 cycles per minute 21 liters/min
Fluid inlet size 1–1/2 npt(f)
Fluid outlet size 1 in. npt(f)
Air inlet size 3/8 npsm(f)
Weight 18.14 kg
Maximum pump operating temperature 82C
* Sound level at 100 psi, 15 cycles per minute 62.6 dBa
* Sound power level at 100 psi, 15 cycles per minute 71.8 dBa
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 3744

Monark 15:1 and 23:1

2-ball piston pump design provides uniform and easily controlled delivery.

  • Stubby length models for convenient wall mounting
  • Ultra High Molecular Weight Polyethylene (UHMWPE) packings for extended pump life in abrasive fluids
  • Positive displacement, 2-ball piston design provides uniform and easily controlled delivery

Grace Monark 15:1 and 23:1

2:1 Ratio Monark Pump
Maximum fluid working pressure Models 221075, 223586, and 243664: 3600 psi (25 MPa, 248 bar) Model 239327: 1500 psi (10.5 MPa, 105 bar)
Maximum air input pressure Models 221075, 223586, and 243664: 120 psi (0.8 MPa, 8 bar) Model 239327: 100 psi (0.7 MPa, 7 bar)
Ratio Models 221075, 223586, and 243664: 30:1 Model 239327: 15:1
Fluid flow at 60 cycles per minute Models 221075, 223586, and 243664: 1 gallon (3.8 liters) per minute Model 239327: 0.7 gallon (2.6 liters) per minute
Recommended pump speed 15 to 25 cycles per minute
Weight Model 221075: approximately 30 lb (14 kg) Model 223586 and 243664: approximately 24 lb (11 kg) Model 239327: approximately 18 lb (8 kg)
Wetted parts Carbon Steel; Chrome and Zinc Plating; Tungsten Carbide; PTFE; Leather; AISI 304, 316, 420, 440, and 17–4 PH Grades of Stainless Steel
Sound Pressure Levels (dBa) *measured at 1 meter unit
Input Air Pressures at 15 cycles per minute
Air Motor 70 psi (0.48 MPa, 4.8 bar)
President 78.34 dB(A)
Monark 75.9 dB(A)
Sound Power Levels (dBa) *tested in accordance with ISO 9614–2
Input Air Pressures at 15 cycles per minute
Air Motor 70 psi (0.48 MPa, 4.8 bar)
President 92.09 dB(A)
Monark 89.7 dB(A)

Monark 23:1, President 30:1 and 46:1 Packages

Airless and air-assisted sprayer packages for two-component coatings.

  • Easy to operate and maintain
  • Dependable design reduces downtime and repair costs
  • Multiple package configurations to fit your specific application
  • Reliable Monark and President air motors
  • Proven and durable

Grace Monark 23:1, President 30:1 and 46:1 Packages

2:1 Ratio Monark Pump
Maximum working pressure 210 bar
Maximum incoming air pressure 7 bar
Ratio 30:1
Wetted Parts Pump: See 306981, Spray Gun: See 308236, Fluid Hose: Nylon, Fluid Filter: See 307273, Suction hose and Tube: Nylon, Aluminum

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