The performance of the two-stage vacuum pump is composed of two parts: high-pressure stage and low-pressure stage. The suction inlet of the vacuum pump is connected with the vacuum container or vacuum equipment. During the operation, the gas in the container will be inhaled and expelled in large quantities. When the equipment is in a vacuum state, close the high-pressure exhaust valve plate, the high-pressure inhaled gas is transferred to the second level, and then inhaled and discharged by the second level, so that the vacuum equipment to obtain a certain vacuum.
A vacuum booster pump can be configured as the front pump according to the user's usage. As the pumping force of the front pump is enhanced, the front pump constantly pumps air, so that the equipment to obtain a higher vacuum degree.
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