• Miniature Diaphragm Pump, Max. Flow Rate 1.8L/min & Pressure Head 50m of Water,  Brushless or Brush DC Motor
    Miniature Diaphragm Pump, Max. Flow Rate 1.8L/min & Pressure Head 50m of Water,  Brushless or Brush DC Motor Miniature Diaphragm Pump, Max. Flow Rate 1.8L/min & Pressure Head 50m of Water,  Brushless or Brush DC Motor Miniature Diaphragm Pump, Max. Flow Rate 1.8L/min & Pressure Head 50m of Water,  Brushless or Brush DC Motor

This miniature diaphragm pump is based on a DC motor that drives a connecting rod to oscillate an elastic membrane, resulting in pumping action. During the downward stroke, the diaphragm draws the medium in via the inlet valve while pushing the medium out via the outlet valve. The diaphragm hermetically seals the compressible chamber during the pumping process.   This pump model ASP-BLDC1800 features high pumping flow rate of 1800 mL/min and high pressure (0.5MPa).   Both DC brush or brushless motor options are available.  Minimum order quantity (MOQ) is 5 units. 


Key Features

  • Low vibration
  • Long service life (>=6000 hours for brushless DC motor; >=1000 hours for brush DC motor)
  • Voltage: 12/24VDC 
  • Pump control: PWM or analog 0-5VDC
  • Low noise and pulsation (<60db)
  • Pump materials:  pump head (PPS), pump body (PPS), diaphragm (EPDM) and valve (EPDM)
  • 100% Oil-free. No contamination
  • Maximum flow rate of 1800 mL/min 
  • Maximum pressure: 50 m of Water
  • Tubing connection ID 8mm
  • 105mm (L) x 54 mm(D) x 35 mm(H)
  • RoHS and CE available
  • PWM control board (optional)
  • PU Tubing (optional)

Typical Applications

  • Liquid dispensing
  • Gas analysis
  • Blood pressure monitoring
  • Ozone generators and analyzers
  • Liquid level sensing 
  • Agriculture irrigation
  • Medical therapy robotics


Pump ParametersAPS-BLDC1800 (Brushless)ASP-BDC1800 (Brush)
Flow Rate1800 mL/min * 1800 mL/min *
Pressure Head50 m50 m
Power <=20 W<=20 W
Noise Level<= 35dB<= 35 dB
Pump ControlPWM Fixed speed
Pump Weight350 g480 g
Voltage12/24VDC12/24VDC
Pump Life>=6000 Hours>=1000 Hours
Working Environment0-50 °C , RH:  <=80%
0-50 °C , RH:  <=80%

* DI water at no back pressure condition 25 degree C

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Miniature Diaphragm Pump, Max. Flow Rate 1.8L/min & Pressure Head 50m of Water, Brushless or Brush DC Motor

  • $96.80

  • Price in reward points: 400

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Tags: Diaphragm Pump, Fluid Handling