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


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

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