lHF series chemical fluoroplastics - lined pump is single - stage single - priming chemical cen-trifugal pump which is combined with interational standard and working process of nonmetallicpump. The material of pump body, pump cover, impeller and flow parts is F46 lined A3 steel, foraxle seal, it adopts advanced bellows mechanical seal, featuring corrosion resistance, non aging,high mechanical strength, stable operation, rational structure, reliable seal, convenient maintenanceand long service life, widely applied in the fields of chemical, pharmacy, petroleum, metallurgical.pickling, electroplating, dyeing and pesticide to convey sulfur acid, hydrochloric acid, acetic acid.hydrofluoric acid, nitric acid, alkali, oxidant, organic solvent under - 20℃~ + 100℃, it is a ener-gy - saving novel substitute for FSB type fluorine pump and lH type chemical centrifugal pump, enjoying good interchangeability with lH type chemical centrifugal pump.