Graco Electric 4-Ball Piston Pump

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The E-Flo DC (Dual Control) electric circulating pump has been found to be up to five times more efficient than similar sized pneumatic pumps. This pump can reduce noise levels, plus it will help to lower your energy bill and save you money.

  • Five times more efficient compared to similar sized pneumatic pumps
  • Minimal pulsation at changeover provides a more consistent finish
  • Integrated runaway protection protects your pump from premature wear and prevents costly material loss
  • Basic model has two simple control knobs to easily adjust pump settings
  • Advanced model lets you easily connect and manage multiple pumps with a single control module
  • Quiet electric motor improves your work environment allowing you to remain near the pump for longer periods of time

E-Flo DC 4-Ball Piston Pumps


Maximum fluid working pressure:

Models EC11xx and EC12xx

300 psi

Models EC21xx and EC22xx

200 psi

Models EC23xx and EC24xx

400 psi

Models EC33xx and EC34xx

300 psi

Models EC43xx and EC44xx

220 psi

Maximum potential fluid pressure

Models ECx1xx and ECx2xx

218000/v (volume of lower in cc) = psi

Models ECx3xx and ECx4xx

436000/v (volume of lower in cc) = psi

Maximum continuous cycle rate

20 cpm

Maximum Flow

Maximum flow is determined by the size of the pump lower. See Performance Charts, page 25.

Input voltage

Models ECx1xx and ECx2xx

100–250 Vac, single phase, 50/60 Hz

Models ECx3xx and ECx4xx

200–250 Vac, single phase, 50/60 Hz

Input current

20 A maximum

Power inlet port size

3/4–14 npt(f)

Ambient temperature range


Sound data

Less than 70 dB(A)

Oil capacity

1.5 quarts

Oil specification

Graco Part No. 16W645 ISO 220 silicone-free synthetic gear oil


Pump package (motor, 1000cc lower, stand, and tie rods): 220 lb

Fluid inlet size

1–1/2 npt(f)

Fluid outlet size

1 npt(f)

Wetted parts

See Lower Pump manual