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  • Towards the Single Pump Solution - Recent Development in High Speed Machines for Dry Vacuum Pumping (.pdf)
    The goal of a single _dry_ pump capable of reaching high vacuum and itself exhausting to atmospheric pressure has long existed in the vacuum field. The development of a single-shaft, high-speed pump EPX _second generation_ mechanism has gone some considerable way to achieving this goal. The pump
  • Introduction to Peristaltic Pumps
    have the peristaltic pump. By mechanical simulation the tube walls are squeeezed together to form a seal as the roller moves along the tube. The previously compressed tube regains original form and sucks fluid/gas into the formed vacuum to create a self-priming function.
  • How Pumps Work
    or gas) is pushed along in front of it. Behind the rolling pin, the tube springs back into its original shape, which creates a vacuum; atmospheric pressure pushes the fluid in to fill the vacuum. As the rolling pin approaches line B-B, start a second rolling pin at A-A. This will allow the pump
  • Vacuum-formed films for fit and function
    bulkier injection-molded plastics in medical products, microelectronics, fluid handling, aerospace, lab products, and custom packaging. The trend toward smaller, lighter, and more-powerful gadgets capable of withstanding extreme environments are driving designers to look at alternative materials
  • Steam Ejector Pumps And Ejectors & Steam Ejector Theory
    Steam ejectors are designed to convert the pressure energy of a motivating fluid to velocity energy to entrain suction fluid and then to recompress the mixed fluids by converting velocity energy back into pressure energy. This is based on the theory that a properly designed nozzle followed
  • Vacuum and Pressure Handbook: Combined Systems, Appendix [Sample Problems, Glossary]
    Problem: A pressure source is used to agitate a plating tank of corrosive chemicals. Depth of liquid in the tank is 6 ft. A pipe with forty 1/32-in. diameter holes placed at bottom of tank will discharge air and promote agitation of the fluid. The pump must be oil-less so that no oil contamination
  • Medical Device Link .
    to 0.875 in. ID and 1 in. OD. A proprietary diaphragm stabilization system has enabled the development of vacuum pumps that offer high suction speed with low absolute pressures and long-term vacuum stability. The N940 pumps attain ultimate vacuums of less than 1.5 mbar absolute and pumping rates up
  • Medical Device Link .
    Unlike piston pumps, miniature diaphragm pumps do not require lubricants in the pump 's stroking mechanism. On a similar note, rotary-vane pumps are prone to the vanes wearing and spewing debris in the flow path. By contrast, miniature diaphragm vacuum pumps and compressors provide an oil-free

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