This research aims to study the impact of speed that can affect the performance of centrifugal pumps, fire extinguishers. By a fire pump was tested as a Single Stage Horizontal Split Case Centrifugal Fire Pump Test the speed at 1,497 rpm, 1,645 rpm and 1,795 rpm with Inverter is a variable speed drive to. Find the most effective Best Efficiency Point (BEP) of each speed of the pump extinguishers snail results showed that the speed at 1,497 rpm performance is minimal, then at 1,645 r / min with. capacity greater than 1,497 rpm and 1,795 rpm, the most powerful. The tests in this study showed that the performance is equal to 51% in each speed. But the product of speed and performance to differ.
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