SELF PRIMING CENTRIFUGAL PUMP
PUMP CASING IS DIVIDED TO TWO CHAMBERS. THE SUCTION CONNECTION IS PROVIDED AT THE TOP MOST OF THE FIRST CHAMBER SPACE. THE PUMP IMPELLER ROTATES INSIDE THE SECOND CHAMBER .THE SECOND CHAMBER CARRIES A DELIVERY CONNECTION AT ITS TOP SIDE AND SHAFT BEARING AND GLAND AT ONE SIDE. A ROUND PASSAGE IS PROVIDED ON THE CHAMBER PORTION,FIRST IN FRONT OF THE IMPELLER A SMALL NOZZLE IS PROVIDED AT THE CENTER OF THE ROUND PASSAGE IS CONNECTED TO THE IMPELLER CHAMBER AND PRIMARY CHAMBER, A FLAP VALVE WHICH IS EMPLOYED ON THE SUCTION LINE CONNECTION IS USED TO MAINTAIN THE VACCUM PRESSURE AT THE SUCTION LINE
SUFFICIENT AMOUNT OF WATER IS ALWAYS MAINTAINED INSIDE THE CASING WHEN IMPELLER ROTATES IT SUCKS THE WATER AS WELL AS THE AIR-FROM THE SUCTION LINE THROUGH THE ROUND PASSAGE AND THROWS OUT TOWARDS THE DISCHARGE LINE AS THE DENSITY OF AIR IS LESS THE AIR ESCAPES OUT THROUGH THE DISCHARGE LINE AT THE SAME TIME SOME AMOUNT OF DISCHARGE WATER AGAIN COMES IN TO ROUND PASSAGE THROUGH THE SMALL NOZZLE.DUE TO CONTINUOUS OPERATION. THE AIR IN THE SUCTION LINE SLOWLY PRIMED UP THROUGH THE DISCHARGE LINE.AS THE AIR IS COMPLETELY SENT OUT IN TURN VACCUM IS CREATED AT THE SUCTION LINE WHICH PASSES THE WAY FOR WATER TO ENTER THE PUMP
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| SELF PRIMING CENTRIFUGAL PUMP |
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