Peter Coffey

Peter Coffey

Articles by Peter Coffey

  • Lab Vacuum Pumps: Selection and Protection

    Friday, February 17, 2017
    Vacuum pumps are real workhorses in many labs, supporting applications as varied as filtration, evaporation, freeze-drying and mass spectrometry. Yet scientists and technicians are often unfamiliar with how to select the right pump and protect it to ensure long, reliable service. read more

  • Working Flow Rate: How to Compare Vacuum Pumps

    Monday, May 20, 2013
    Diaphragm vacuum pumps with flow paths constructed of fluoropolymers like PTFE (e.g., Teflon®, DuPont, Wilmington, DE) offer tremendous advantages for laboratories. Compared with the use of traditional oil-sealed rotary vane pumps for moving corrosive vapors, oil-free pumps offer much longer ... read more
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