CIEH Range - Hopper Bottom Storage Silos

Chief offers a wide range of features and options to take care of your grain storage needs!

Standard Features:

Model 8-27 CIEH silos feature a galvanised steel support fram & incorporate a roof inspection hatch as standard. Special Polyester Coated roof available at extra cost.

Shallow form (119mm pitch) corrugated sidewall sheets are manufactured from high quality galvinised 450 grammes/m² (including both sides) minimum spangle steel. Fixings incorporate a formed bolt head.

External galvanised stiffeners/anchors are supplied in a variety of specifications dependant upon the silo diameter and height, stiffeners are joined by formed fishplates.

Type Phenicone utilises a compression ring to which the silo ring and hopper cone are bolted. This is used for larger volume hopper silos.

Type CEC utilises a series of brackets around the circumference of the silo ring bolted directly to the hopper cone.

Silos feature a ribbed roof on models up to 10 CIE.

Single ring access doors, one is supplied as standard, incorporate hot dipped galvanised steel frame. Various designs to suit specific silo heights are available.

Standard hopper supplied complete with sidewall sheets to ground level and 2m x 1m access frame in sidewall to allow access to hopper outlet. This provides added benefit of having the hopper and any unloading systems protected from rain, wind etc. 45° and 60° galvanised hoppers are available depending on material to be stored.


 Various width catwalks, access ladders and rest platforms designed and manufactured to European Standards.

Note: The cylindrical barrel is designed for storage of free flowing granular material with a maximum density based on maize at 900kg/m³, friction angle of 30 degrees and angle of repose of 28 degrees, and on barley a density of 825kg/m³, friction angle of 27 degrees, according to DIN1055.
Sidewall: High quality European steel Fe E350G. (350N/mm²) with standard galvanised finish of 450 grammes/m², G140 (incl. both sides).
Roof: As standard manufactured from Aluzinc AZ185, also available with Polyester Coated brown finish.
Stiffeners/Anchors: High quality European steel Fe E350G (350N/mm²) with standard galvanising finish of 350 grammes/m², G115, or in the case of welded anchors, hot dipped galvanised.
Fixings: Type 6/8 or 8/8, Z20 with seal washer.
Useful (pitch) length of wall sheet: 2.8 metres
Useful (pitch) height of wall sheet: 0.838 metres
Roof angle: 25°


Models CIEH 3 - 2.67m Diameter
Models CIEH 4 - 3.57m Diameter
Models CIEH 5 - 4.46m Diameter
Models CIEH 6 - 5.35m Diameter
Models CIEH 7 - 6.24m Diameter
Models CIEH 8 - 7.13m Diameter