Fluidics design expert Diba Industries, Inc has helped pump manufacturer KNF-Flodos improve fittings connection performance for its Simdos 02 diaphragm liquid pump. KNF manufactures a range of OEM liquid and gas pumps for medical devices and ink-jet printing as well as stand-alone laboratory pumps. The new Simdos 02 dosing pump was designed to handle hazardous acids, bases and organic solvents in the laboratory environment. During prototype testing, KNF engineers discovered leaking caused by fittings not staying tight inside the smooth PTFE valve ports. Vibrations from the pump aggravated this problem, causing fittings to unscrew from (or back themselves out of) the ports under normal operation. With the Simdos 02 pump's intended use to handle aggressive and caustic chemicals, fluid containment was critical.
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