LIQUIDS AND TEMPERATURE
Service life will be increased substantially if the liquid
pumped is clean and has some degree of lubricity. These positive
displacement pumps have tight tolerances. Fine abrasives
like sand, silt, or powders in suspension will accelerate pump
wear and reduce throughput.
Liquids compatible with bronze and stainless steel can be
pumped providing proper seal has been specified (see chemical
compatibility or check factory). When possible, flush the
pump after each usage.
Temperature extremes are detrimental to service life and
should be avoided. Basic metals of construction allow a temperature
range of -40 to 400oF. Some lip and mechanical seal
elastomers have a limit of 212oF. (see engineering data or
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