THE INVENTION IS A DESIGN IMPLEMENTD ON STAGES CONSISTING THE TURBINE THAT USED FOR PUMPING WELL'S WATER CONTAINING HIGH RATE OF SOLID SHEETS . THE INVENTION IS BASED, PRIMARILY, ON INDUSTRIAL METHODOLOGY USED IN THE IMPELLER CHAMBER MANUFACTURE (FOR PUMPING STAGE) WHICH REPRESENTED IN THE PROCESS OF IMPLANTING DIFFUSING ASSEMBLY CALLED DIFFUSER AND MADE OF STAINLESS STEEL SHEETS IN THE IMPELLER CHAMBER BODY MADE USUALLY FROM BRONZE,WHERE THE INTERACTION PROCESS IS DONE TO MAKE THE DIFFUSING ASSEMBLY INSEPARABLE PART INSIDE THE STAGE CHAMBER BODY. MOST OF POSITIVE FEATURES CAN BE UTILIZED OF TWO DIFFERENT METALS ACCORDING TO CLASSIFICATION . AS WELL TO EMPLOY THEM FOR THE PURPOSE OF OBTAINING TECHNICAL CHARACTERISTICS CONSISTENT WITH THE TARGETED PURPOSES. THE RESEARCH THEM,IS DISCUSSING THE INVENTION OF RUBBER PIECES DESIGNED TO COVER AREAS EXPOSED TO EROSION AS A RESULT OF SHATTERING SOLID SHEETS CONTAINED IN THE WELL'S WATER DURING PUMPING PROCESS AND TO PROTECT METAL SURFACES FROM erosion inside the impeller chamber from irregular consumption. In additional,the invented rubber pieces are occupying large space of unused areas inside the pumping stage and thus a positive raise in the efficiency curve of the turbine consisting of stages of pumping in the developed model.
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