Purchase the PQ-12/24 — Gear Pumps


PQ-12/24

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Looking for PQ-12/24 parts?

The PQ-12 gear pump is ultra-compact, economical, versatile, chemically resistant, and performs impressively compared to larger, more expensive gear pumps. It is powered by a DC motor.

Inlet RequirementsFlooded inlet
Fluid TypesMobile and/or Non-abrasive
Dry Run Capabilityno
Submersible?no
Maximum Pressure 20 PSIG (or 12 PSIG with optional AC adapter)
Maximum Flow Rate2200 ml per min
Fluid Temperatures SupportedMaximum of 180 degrees F
Mounting RequirementsHorizontal orientation
Primary Power Source12V or 24V Brush DC motor
Alternate Power Source

Two AC to DC converters are available.

  • Single Speed Power Pack 1 (generates 9V DC)
  • Variable Speed Power Pack 2 (generates 3, 4.5, 6, 7.5, 9 or 12V DC)

Both are listed in the section below titled Additional Parts for Purchase

Variable Flow Rate?Enabled with the Variable Speed Power Pack 2
Dimensions (in inches) 1 1/2" W x 3 1/2" D x 2" H
Weight10 oz.
Inlet/Outlet Fitting Diameter316 inch MHB (male hose barb)
Other Features

Materials that come into contact with the pumped liquid are

  • Molded Delrin pump body
  • Delrin gears
  • Stainless steel motor shaft
  • Teflon diaphragm
  • Elastomer lip seal

Elastomer lip seals come in Buna-N, AFLAS, EPDM, and Viton.

Gears available in HDPE for corrosive chemicals.

UL Certified

Available in none, 2-holes, and 4-holes. Hole dimensions are here.


Interactive 3D Models


Pump Performance Data

PQ-12 DC Pump Performance Data
Total PSI FT of Water OZ/Min ML/Min AMPs
0 0 78 2200 1.5
5 12 75 2100 1.6
10 23 63 1750 1.8
15 35 45 1250 1.9
20 46 13 350 2.0
PQ-12 w/ AC Adapter Performance Data
Volts OZ/Min ML/Min AMPs
3 17 550 1.2
4.5 28 800 1.4
6 39 1100 1.6
7.5 47 1375 1.8
9 58 1650 1.9
12 74 2200 2.0

Additional Parts for Purchase

Use Cases Include

  • Anti-corrosive fluid delivery systems
  • Bottling
  • Coffee makers
  • Cooling suits
  • Enzyme injection systems
  • Eyeglass lens coating systems
  • Floor cleaners & scrubbers
  • Food preparation cleaners
  • Liquid inks/copying machines
  • Model airplane fuel systems
  • Oil skimming & lubrication systems
  • Painting equipment
  • Scientific instruments
  • Soap dispensers/degreasers
  • Turbo chargers

Pump Base Options

  • Available in none, 2-holes, and 4-holes. Hole dimensions are here.


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