Shielded vane pump

Suitable for transporting media that are prone to vaporization, such as liquid ammonia, liquefied gas, fluorocarbons, chloromethane, alkanes, etc. This pump has a separate invention patent from Luchen. The characteristics of the pump include the use of a shielded motor, the pump body and impeller of a volumetric slide pump. To solve the pain point of the centrifugal pump being unable to deliver the gas-liquid mixture fluid during the gradual decrease of the liquid level of the easily vaporized medium during unloading for customers.