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lobes and recesses, for example three—four and seven-eight (figure ). as the rotors turn, pockets of increasing and then decreasing capacity are created to give a pumping action. the normal maximum pressure is bar with capacities of up to tonne/hour. special designs for up to bar have been made for...
lobes and recesses, for example three—four and seven-eight (figure ). as the rotors turn, pockets of increasing and then decreasing capacity are created to give a pumping action. the normal maximum pressure is bar with capacities of up to tonne/hour. special designs for up to bar have been made for...