The working principle of the gas ring vacuum pump:

When the impeller rotates, the gas ring vacuum pump forms a series of spiral motions due to the centrifugal force. The gas rotating motion between the impellers accelerates and draws gas outside the pump body from the air intake port, and the gas enters the outer air ring and returns to the base of the blade by the pressure difference to form a strong air flow. In this way, the gas is moved in the spiral direction in the gas ring to achieve the purpose of pressurization. After the gas moves to the exhaust port, since the pressure is greater than the system pressure, the gas is quickly discharged. The function of the Shanghai Haoguan gas ring vacuum pump for suction and air supply is widely used.

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