Square Silos

Square silos provide a higher flexibility in the case of future extensions.

They are also recommended if you have lack of space.

The extendable modular square silo system provides a higher flexibility in the case of future extensions or cellular division to adapt to new production requirements. Square silos are also recommended if you have lack of space, since this system can store 25% more product in the same surface. Read more advantages of square silos in this article.

Standard square silos are galvanized, but we can also offer a stainless steel finish. The hopper models come in a 45° or 60° angle. It has a self-emptying system to prevent the product from adhering to the silo walls. Square silo capacities range from 1 to 100 tons, although we can also design a customized solution for special client needs.


Main features of the square silo

  • Square silo made of high strength steel S350GD, fully galvanized Z-600 (600 gr/m2) with vertical and externally bolted reinforcements.
  • Completely bolted joints with 8.8 bichromated bolts and nuts with rubber washers.
  • Metallic structure support and hot-dip galvanized reinforcements Z-600 (600 gr/m2).
  • Preformed butyl mastic (BSD) to seal connections panels and to join the cylinder and square cells together.
  • Fixing plates with chemical or mechanical ground anchors, depending on the installation site.


  • Maximum level detector – pendular.
  • Minimum level detector – membrane.
  • Lateral support for catwalk: (T2 – Two bodies).
  • Thermometry System.
  • Access ladder to the roof with protection according to UNE-EN-ISO 14122 and rest platform every 6 meters.
  • Discharge hopper.
  • Manual and motorized slice.
  • Single and double catwalk.
  • Ventilation kit inside the silo.
  • Special reinforced designs for seism, snow and wind.


Data sheet

 Square Silos