(Equipment for Pneumatic Conveying Systems in Ceramics, Building Materials, Paper Making, Aquaculture, Sewage Treatment, Food and Other Industries) Double-stage Roots blowers usually operate with two Roots blowers of similar pressure connected in series. After the gas is pressurized in the first stage, it is cooled to below 40°C through an intercooler before entering the second-stage compression. The maximum pressure boost of the unit can reach 1
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