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MP Series Piston Pump
MP series piston pump is a precision dispensing pump designed by Longer Pump, with the main function of achieving constant flow transferring of liquid. It has very high dispensing accuracy and repeatability. The service life can reach more than 5 million cycles with promised accuracy and repeatability. It is a high performance, low cost, maintenance free precision dispensing pump.
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  • MP Series Piston Pump
  • MP Series Piston Pump
  • MP Series Piston Pump
  • MP Series Piston Pump
Product Introduction Parameter Details Data Download
Product Features

With the unique precision transmission design, high precision components and reliable photoelectric sensor, the rated stroke dispensing accuracy is ≥99.5%. The CV of 100% dispensing is ＜0.1%.

The service life is more than 10 million cycles with deionized water. The long service life will maximize the working time of instruments and reduce maintenance cost.

Multiple material of piston pump head, piston and seal are available.

Optional flusing function to ensure the long life of transferring crystallized solutions. 

Optional motor encoder to realize real-time monitoring of motor position.

Optional  controller to save your system development time.  

Customized piston pump is available according to specific requirements.

Technical Parameters
Parameters MP Series
Pump Volume 25uL-5000uL
Pump Head Material PMMA/PEI/PEEK
Piston Material Ceramic/PEEK
Seal Viton/FFKM/EPDM
Accuracy ≥99.5% at full dispensing
Expected life 10 million cycles with distilled water; 5 million cycles with crystallizable solution
System pressure ≤0.68Mpa(Depending on model)
Full stroke 12.7mm
Step 2000/4000
Resolution 2000 steps: 0.00635mm/step; 4000 steps: 0.003175mm/step
Pump speed Pump volume≤1mL: the min. time for full stroke is 0.8s; Pump volume of 2.5ml: the min. time for full stroke is 1s; Pump volume of 5ml: the min. time for full stroke is 1.2s
Motor Type Step Motor
Dimension 61×45×132 (mm)
Operating Temperature 5°C-40°C
Relative Humidity 20% - 80%
Weight 0.51kg
Inlet/outlet port 1/4"-28UNF 10-32UNF M6
Demonstration Video

  • how can control peristaltic pump with external control?

  • Longer Pump Micro Piston Pump Operation

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  • Longer Pump Micro Piston Pump Operation
Application Scenarios

Technical Specifications



PrecisionDispensing 100% of total volumeCV＜0.1%(Pump Volume＜500μL)
CV＜0.05%( Pump Volume ≥ 500μL)
Dispensing 10% of total volumeCV＜0.5%(Pump Volume＜500μL)
CV＜0.1%(Pump Volume≥ 500μL)
Dispensing 1% of total volumeCV＜2%(Pump Volume＜500μL)
CV＜1%(Pump Volume ≥ 500μL)
Accuracy≥99.5% at  full dispensing
Expected life10 Million  Cycles with Distilled Water
5 Million Cycles with Crystallizable   solution
System pressure≤0.68Mpa(Depending on the model)
Full stroke12.7mm
Resolution2000 steps:   0.00635mm/step
4000 steps: 0.003175mm/step
Pump speedPump   volume≤1mL: the min. time for full stroke is 0.8s
Pump volume of 2.5ml: the min. time for   full stroke is 1s
Pump volume of 5ml: the min. time for full   stroke is 1.2s
Home positon detectionOptical   switch is used to detect the home position of the piston to initiate accurate   step counts
Dimension (L*W*H)61×45×132   (mm)
Humidity20% - 80%
Temperature5 to 40℃
Weight0.51kg



Model Configuration



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Dimension


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  • Product Features
  • Technical Parameters
  • Demonstration Video
  • Application Scenarios
Product Comparison
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