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The working principle of centrifugal pump.
The centrifugal pump works by centrifugal pump so it can be sent out because of centrifugal force. Pump before work, pump body and feed line must be tank filled with water to form a vacuum, when the fast rotating impeller blade promote water quickly spin, spin the water under the action of centrifugal force, fly away from the impeller and pump in the water, after being thrown at the center of the impeller part form the vacuum area. The water under the action of atmospheric pressure (or water pressure) is pushed through the pipe network into the inlet pipe. This cycle is so circular that continuous pumping can be achieved. It is worth mentioning here: before starting the centrifugal pump must to the pump shell full of water, can start, otherwise will cause heat pump body, vibration, water yield reducing, damages to the pumps (hereinafter referred to as "cavitation") cause equipment accident.