Miniature Diaphragm Pumps

  • Low Noise & Vibration
  • Custom Pump Designs Available
  • Variety of Custom Mountings
  • Made in USA, Fast Delivery
  • Expert Engineering Assistance
  • Self-Lubricating, Maintenance Free
  • Pump Sub-Assemblies Available: Electrical, Pneumatic, Molded Parts

ACI Medical is an FDA registered company that produces high quality miniature diaphragm pumps for use in a variety of medical and non-medical applications. Our pumps have air, vacuum and liquid capabilities. We specialize in pumps with low voltage (6, 12, 19 and 24 DC), flows up to 10 LPM, pressures up to 35 PSI and vacuum up to 26 inches of Hg. Our diaphragm pumps are available in a wide range of materials.

ACI has patents on different aspects of pump designs that make them suitable for many diaphragm pump applications. The combination of our expert engineers, who are available to assist with product development, and our design laboratory and machine shop, can rapidly produce virtually any type of diaphragm pump prototype.

Quantity discounts are available, please call for more information.


Item #Item NameMax. FlowMax. PressureMax. VacuumCurrent at Max. FlowWeightEnvelope DimensionsPump Life Hours
AP100.70-6V Series 100 Air 2.8 L/min 13.0 psi 17.0 Hg 0.56 A 200 g 3.65 x 2.33 x 2.23 Inch 3000
AP100.70-12V Series 100 Air 2.7 L/min 12.0 psi 17.0 Hg 0.56 A 200 g 3.65 x 2.33 x 2.23 Inch 3000
AP050.70-12V Series 50 Air 2.7 L/min 15.0 psi 20.0 Hg 0.22 A 164 g 3.35 x 1.20 x 2.24 Inch 3000
AP050.35-12V Series 50 Air 1.7 L/min 8.5 psi 11.0 Hg 0.13 A 164 g 3.35 x 1.20 x 2.24 Inch 3000
AP050.20-12V Series 50 Air 0.9 L/min 4.5 psi 6.0 Hg 0.09 A 164 g 3.35 x 1.20 x 2.24 Inch 3000
AP025.55-12V Series 25 Air 2.1 L/min 17.5 psi 18.0 Hg 0.16 A 56 g 2.48 x 1.16 x 1.57 Inch 1500
AP025.45-12V Series 25 Air 1.5 L/min 13.0 psi 15.0 Hg 0.15 A 56 g 2.48 x 1.16 x 1.57 Inch 1500
AP025.20-12V Series 25 Air 0.7 L/min 4.0 psi 5.0 Hg 0.06 A 56 g 2.48 x 1.16 x 1.57 Inch 1500
AP201.48-12V Series 201 Air 6.0 L/min 17 psi 20 Hg 0.7 A 1320 g 6.00 x 4.25 x 2.13 Inch 3000
AP201.48-19V Series 201 Air 9.5 L/min 17 psi 20 Hg 1.0 A 1320 g 6.00 x 4.25 x 2.13 Inch 3000
LP050.70-6V Series 50 Liquid Pump 0.51 L/min 8 psi 16 Hg 0.36 A 164 g 3.35 x 1.20 x 2.24 Inch 1000
LP050.35-6V Series 50 Liquid Pump 0.85 L/min 18 psi 16 Hg 0.65 A 164 g 3.35 x 1.20 x 2.24 Inch 1000
LP050.70-12V Series 50 Liquid Pump 0.85 L/min L/min 18 psi psi 16 Hg Hg 0.65 A A 164 g g 3.35 x 1.20 x 2.24 Inch Inch 1000
LP050.35-12V Series 50 Liquid Pump 0.85 L/min L/min 18 psi psi 16 Hg Hg 0.65 A A 164 g g 3.35 x 1.20 x 2.24 Inch Inch 1000
AP050.70-6V Series 50 Air 2.7 L/min L/min 15.0 psi psi 20.0 Hg Hg 0.22 A A 164 g g 3.35 x 1.20 x 2.24 Inch Inch 3000
AP050.35-6V Series 50 Air 1.7 L/min L/min 8.5 psi psi 11.0 Hg Hg 0.13 A A 164 g g 3.35 x 1.20 x 2.24 Inch Inch 3000
AP050.20-6V Series 50 Air 0.9 L/min L/min 4.5 psi psi 6.0 Hg Hg 0.09 A A 164 g g 3.35 x 1.20 x 2.24 Inch Inch 3000
LP050.20-6V Series 50 Liquid Pump 0.6 l/min L/min 12 PSI psi 16 Hg Hg Hg 0.65 A A A 164 g g g 3.35 x 1.20 x 2.24 Inch Inch Inch 2000
LP050.20-12VDC Series 50 Liquid Pump 0.6 l/min L/min 12 PSI psi 16 Hg Hg Hg 0.65 A A A 164 g g g 3.35 x 1.20 x 2.24 Inch Inch Inch 2000