Servoflo Corp. has announced the MP-6 series of micropumps. Based on piezo-electric diaphragm pump technology, the MP-6 micropump delivers air, gas or liquid for low-flow applications in a wide variety of industries, including the medical industry.
The piezo ceramic is mounted on a brass membrane and then deformed when a voltage is applied. With the resulting downstroke, the medium is squeezed out of the pump chamber. The check valves on both sides of the pump chamber define the flow direction. When the voltage decreases, the piezo’s corresponding deformation causes an upstroke of the membrane. The medium is sucked in and the chamber is filled again. The pump can do several hundred pump cycles each second.
The MP-6 micropump measures 30 x 15 x 3.8 mm. With a power consumption of less than 200 mW, the MP-6 is ideal for portable applications. Typical flow values are 18 ml/min maximum flow with 100 mbar backpressure for gas and 7 ml/min flow and 600 mbar backpressure for water. The MP-6 is self-priming.
The MP-6 is an off-the-shelf micropump, allowing users to quickly evaluate and integrate it into their design. Custom modifications can be made based on customer requirements. A polypropylene version (MP-6-PP) is available for corrosive media. Sterilisation is generally acceptable.
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