From ThomasNet: Integrating 2-phase stepper motors, type FEM 1.02 and FEM 1.09 pumps achieve flow rates from 0.2-20 mLpm and 0.9-90 mLpm, respectively. Compact pumps measure 62 x 75 x 63 mm, cover wide dosing range (1:100), and can serve for more than 10,000 hr. Leak-tight units are self-priming to 8.5 in. Hg and demonstrate 1% repeatability. Depending on pump version, head materials include polypropylene or PVDF, while internal elastomeric components are manufactured from EPDM, FFPM, and PTFE.
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KNF Diaphragm Dosing Pumps for Liquids Deliver Superior Repeatability over Long Service Life