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Design and Performance Insights into Commercial Piezo Pumps

This document presents an analysis of the design and performance characteristics of commercially available piezo pumps. Maximum pressures are approximately 12 PSI, with a flow rate of about 5 ml/min at 1 PSI for one-inch diameter piezos. The report discusses pumping rates for liquids and gases, highlighting capabilities at various back pressures. Additionally, the assembly and components of piezo pumps, including valve types and piezo disk specifications, are outlined. An overview of performance metrics of multiple piezo pump models is provided.

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Design and Performance Insights into Commercial Piezo Pumps

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  1. Design and Performance of Piezopumps Craig E. Nelson - Consultant Engineer

  2. Typical Commercial Piezo Pump 1 • Maximum pressure available seems to be on the order of about 12 PSI • Flow rate at a pressure of 1 PSI seems to be about 5ml/min for 1 inch dia. piezos • Pumping rates for liquid seem to be about 3.5 that for gas at 1 PSI back pressure

  3. About 5 PSI Piezo Pump Performance Capability Typical Commercial Piezo Pump 2

  4. (100 hecto Pascals = 1.45 PSI) 11.6 PSI Typical Commercial Piezo Pump 3

  5. Typical Commercial Piezo Pump 4 (100 hecto Pascals = 1.45 PSI) About 1 PSI 5.8 PSI 2.2 PSI

  6. Piezo Pump Parts and Construction

  7. Inside a PAR Corporation Pump

  8. Piezo Pump Elements

  9. Piezo Pump Elements Typical Piezo Pump Assembly Disc Type Valve

  10. Typical Piezo Disks 15, 27 and 35 mm Piezo Disks

  11. Summary The performance of several commercially available piezopumps has been presented. Some aspects of the design and construction of typical piezopumps were shown.

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