Article written by David Gardellin of Onyx Valve Co A progressing, or progressive cavity pump consists of a single helix metal rotor that turns inside a double helix rubber stator. This forms a series of pockets that traverse the length of the pump, gently pushing fluid from the suction to the discharge in a smooth, [...]
Category Archives: Pumps
Polymer Gear Pump Problem
June 2, 2009 – 7:00 PM
Article written by Cliff Knight of KnightHawk Engineering. Today is your first day at your company’s polymers division, and you are amazed at how small everything seems. You were just transferred from a world-scale ethylene plant as some manager up the food chain wants to diversify your career. Inside, you are a little disappointed because [...]
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