Gear pump type according to the nature of the liquid can be divided into: (1) Pumps (type B, type D, type sh) are used to transport clean water and clean liquids with chemical and physical properties similar to water. (2) corrosion-resistant pump (F-type) used to transport acid, alkali and other corrosive liquids. (3) Oil pump (Y type) is used to transport petroleum products. This article Keyword search: pumps Ductile Iron Sand Castings,Sand Casting,Malleable Cast Iron Sand Casting Product,Cast Iron Sand Casting Hebei Chunfeng International Trade Co., Ltd , https://www.chunfengenergy.com