Casing-made of ductile iron, ribs help casing to stand high pressure. Wet ends-impellers, liners, volutes are made of high-chrome alloy or rubber, to resist wear, corrosion, emosion or impact, parts made of metal or rubber are interchangeable. Bearing assembly-grease lubrication and oil lubrication are optional depend on the usage. Seal options-gland seal, expeller(centrifugal or dynamic)seal and mechanical seal are optional to fit different application.
