FZB horizontal Fluoroplastic self-priming centrifugal pump The wet flow parts of FZB Self-priming centrifugal pump (pump case, impeller, pump cover etc.) are made of fluoroplastic (F46) or ultra-high molecular weight polyethylene fiber (UHMWPE). The pump has self-priming function, it can pump the liquid below the installation position of the pump. Suction height is for 2meters to 4meters.