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  • Water Aspirators: Cheap Pumps With Environmental Impact & High Operating Costs
    Water aspirators are a common way of creating a low strength vacuum for many standard laboratory applications. Their simple design employs water running through a narrowing tube to create a reduced pressure via the Venturi effect. The pump's performance is dependent upon the temperature
  • Flow Velocity in Plastic Piping Systems
    Flow velocity is the speed at which the process media is flowing through the pipe. It is expressed in feet per second. High flow velocities in themselves may not be dangerous, however, the shock pressure (sometimes called water hammer) they can generate is. This shock pressure, which can
  • Waterjet 101
    action takes place as a result of the ultra-high pressure (UHP) water being forced through a pre-mounted waterjet orifice as small as .005 inches. In many applications, an abrasive material such as waterjet garnet is added to the waterjet to create an abrasive waterjet (also known as an abrasivejet
  • MICRO: Prod Tech news
    the system to combine two pumps into a single system (equivalent to a pump and blower package). Featuring low noise and vibration characteristics, the unit has acoustic pressure levels that are 65% lower than those of traditional pumps. The MDrive product line combines high-torque stepping motors
  • Straight Talk on Wobble-Piston Pumps
    instruments, patient monitors, and other medical equipment. The large Model 2750 weighs 20 lb and produces 30-psi maximum with 5.35-cfm open flow. Applications range from oxygen concentrators to copy machines. Altitude can have a significant effect on pump performance, particularly at high pressures
  • Contamination: hydraulic system enemy no. 1
    cooling. Leaky reservoirs and seals, careless use of steam cleaners or high-pressure washers, can also introduce water. Demulsifiers in most oils help separate the heavier water portion for draining. Special coalescent materials, desiccants, centrifuges, and vacuum hydration are other ways to eliminate
  • Keep cool, save money
    increases water-pump pressure. This backpressure not only can shorten life of the water pump, but also robs power from the engine. Second, because airflow produced by the fan depends
  • Optimized deaeration
    in pulp suspensions constitute a serious problem area in papermaking. They are responsible for higher pump energy demand, deposits, pinholes, foaming and several other problems. An underestimated source of these problems is dissolved gases. High contents of dissolved gases mainly originate from

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