This pump has excellent corrosion-resistant and wear-resistant properties, and is widely used in conveyance acidic or alkaline corrosive medium,or corrosive medium bearing solid particles in chemical, mine, smelting, metallurgy, petroleum, pesticides, medicine, dyestuff, paper making and sewage treatment.Specifications:1) Flow rate: 5-2,500m/h2) Delivery head: 5-80m3) Patent No.: ZL93115101.5, ZL94242497.2