Pump capabilities
on page 18 ( the iron external gear pump)for a certain application. I need to purchase a pump that can pump 15W40 engine oil in a temperature range from -25 C (where it has a viscosity of 7000 cP)up to 200 C. The Split case pump flow rates I need to hit are 0.5 to 5 GPM and I need a pressure of about 60 PSI.I see that these pumps can get up to 1,000,000 cSt... does that mean they can pump any oil up to 1,000,000 cSt? Also, The elastic properties of the equipment is normally neglected in the provision of any resistance to distortion.  The skid of most pump-engine frames will only need to be sufficiently rigid to ensure shipping, handling and installation distortions are limited to acceptable levels.  Afterward, the skid should be properly bolted to the foundation to ensure that the skid and foundation/support et al act together to resist distortion  and vibrations from operating loads.  The basics of the required analysis can be found in texts covering dynamic of foundations.  Google "dynamics of machine foundation systems" for a selection of books on the subject.  

2011-08-09

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