• Miniature Diaphragm Pump ASP-LP320, Max. Flow Rate 320mL/min,  Brushless DC Motor
    Miniature Diaphragm Pump ASP-LP320, Max. Flow Rate 320mL/min,  Brushless DC Motor Miniature Diaphragm Pump ASP-LP320, Max. Flow Rate 320mL/min,  Brushless 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.   Brushless DC motor is used.  Price break is available for large quantity of order. 


Key Features

  • Low vibration
  • Long service life (3,000 hours)
  • Low noise and pulsation (< 50db)
  • Chemical resistant materials available (EPDM or PTFE)
  • 100% Oil-free. No contamination
  • Maximum flow rate of  320 mL/min 
  • Maximum pressure: 0.09 MPa
  • Maximum vacuum:  0.04 MPa
  • Tubing connection ID 5mm
  • RoHS and REACH available

Typical Applications

  • Air sampling
  • Liquid dispensing
  • Gas analysis
  • Blood pressure monitoring
  • Ozone generators and analyzers
  • Liquid level sensing 
  • Emission measurement 
  • Medical therapy robotics


Pump ModelASP-LP320
Wet MaterialEPDM/PTFE
Pump DiaphragmEPDM/Viton
Pump BodyPPS
Pump Voltage12/24VDC
Voltage ControlAnalog/PWM
Flow Rate0.32 L/min
Maximum Pressure0.09 MPa and -0.04 MPa
Pump Power3.6 W
Pump MotorBrushless DC motor
Pumping MediumAir or Liquid
Fluid Temperature5 -50 Degree C
Relative Humidity<90% RH
Pump Dimension (mm)27 x 27 x 60
Noise< 50 db
Lifetime3000 hours for BLDC
Weight40 grams

The flow rate is tested with DI water under standard atmospheric pressure and room temperature without discharge pressure applied. 

Thumb File information
Product Datasheet ASP-LP320.pdf 176.9KB

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Miniature Diaphragm Pump ASP-LP320, Max. Flow Rate 320mL/min, Brushless DC Motor

  • $52.00


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Tags: Diaphragm Pump, Pneumatic Pump, Vacuum, Compressor