They are usually cylindrical and mostly insulated. They may be horizontal or vertical types, depending on availability of floor space. For extremely large quantity of storage, Vertical Silo tanks are provided outside the Processing section, to avoid tall buildings to accommodate them.

The inner shell of storage tank is of Stainless Steel, and covered with suitable insulation, and then an outer shell, which may be Stainless Steel or Mild steel. Outer shell of mild steel is used to reduce cost. The outer mild steel shell will be painted to prevent corrosion, which may be of two coats of antirust and two coats of enamel paint of suitable color , especially cream yellow.

Capacity - 100 Liter to 1 Lackhs Liter.

Used in Milk Dairy, Beverages, Pharmaceutical & Allied Industries.