MSGL agitator refers to a type of agitator used in the chemical and pharmaceutical industries. MSGL stands for "Mild Steel Glass Lined", which refers to the material of construction of the agitator. The agitator shaft is made of mild steel and is coated with a layer of glass lining to provide a non-reactive and corrosion-resistant surface.MSGL agitators are designed to be used with glass-lined vessels or reactors, which are commonly used in the production of chemicals and pharmaceuticals. The agitator is used for mixing and blending of liquids and solids in the vessel or reactor.