FZB type fluorine plastic self-priming centrifugal pump is suitable for low pool suction, tank truck raw material loading and unloading, short time empty operation conditions, gas-liquid mixed media, etc. FZB type fluorine plastic self-priming centrifugal pump is designed according to international standards, all flowing parts are tightly lined with fluorine plastic, and the bearing part of the pump is metal. External single-end machine seal, external all-in-one machine seal and flushing water can be configured, and the flushing scheme can be customized according to API682 standard.