Flat Bottom Silo
Our metal flat and conical bottom silos are the most efficient solution for long-term storage of large volumes of grain.
Our wide range of models and accessories can be applied to many different industries such as malting plants, feed mills, port terminals, mills, bioethanol plants, dryers, flour mills, and the plastic and biomass industry.
Diameters
From 3 to 32.08 m
Capacities
From 5 m³ up to 25,000 m³
Guaranteed steel
Cylinder S450GD with Z600 g/m² coating
Ceiling S280GD with ZM310 g/m² coating
Structure Calculation
In differents norms : ANSI - ASAE EP 433 2033, EUROCODE EN - 1991-4 or following any other local norm.
STANDARD COMPONENTS
ROOFS//
Flexilibity and maximum Endurance
TRAPEZOID SECTOR >
| Material | |
|---|---|
|
Steel |
S280GD. according to EN 10346:2015 |
|
Galvanisation. |
ZM310 according to EN 10346:2015 |
|
Breaking load |
360 N/mm2 |
|
Yield strength |
280 N/mm2 |
|
Thickness |
e= 0.8 |
Design and Technical Characteristics
Roof wave. Symaga special design to improve water evacuation/drainage
Longitudinals folds to improve rigidity.
Pre-drilled for roof vent.
Reinforcement roof wave to increase resistance when required.
ROOF STRUCTURE
| Material | |
|---|---|
|
Steel |
S280GD or S350GD Z600 according to EN 10346:2015 |
|
Galvanisation |
Z600 according to EN 10346:2015 |
|
Breaking load |
360 / 420 N/mm2 |
|
Yield strength |
280 / 350 N/mm2* |
|
Thickness |
e= 2 a 3.5 mm |
Design and Technical Characteristics
Profile: SIGMA
From Ø 1070-3208 & and/or roof loads higher than the standard
COLLAR AND ROOF COVER
| Material | |
|---|---|
|
ROOF COLLAR |
|
|
Steel |
Galvanised S275 JR according to EN 10025-2:2020 |
|
Galvanisation |
HDG according to EN ISO 1461:2023 |
|
Profile |
Curved ‘Z’ shaped |
|
Thickness |
e= 3mm |
|
FALDON |
|
|
Steel |
Galvanised S280 GD acc. to EN 10346:2015 |
|
Galvanisation |
Z600 according to EN 10346:2015 |
|
Thickness |
e= 2mm |
|
TOP COVER |
|
|
Steel |
Galvanised S275 JR according to EN 10025-2:2020 |
|
Galvanisation |
HDG according to EN ISO 1461:2023 |
|
Thickness |
e= 3 and 5 mm |
|
TOP COVER |
|
|
Steel |
Galvanised S280 GD according to EN 10346:2015 |
|
Galvanisation |
Z600 according to EN 10346:2015 |
|
Thickness |
e= 3 and 5 mm |
Design and Technical Characteristics
Roof collar: Circular structure for joining and supporting beams and roof sections.
Skirt: Circular sector supported on the roof collar and on which the load mouth is fixed.
Loading mouth: Shaped plate supported on the skirt and on which the roof cover is supported. Dimensions: 800 mm (silos 4.60 : 16.80) and 1050 mm (silos 17.57 : 19.86).
Loading mouth cover: Square plate fixed to the loading mouth to close the silo on which the loading systems are placed.
CYLINDER//
Flexibility and Maximum Endurance
BODYSHEETS
| Material | |
|---|---|
|
Steel |
S450GD according to EN 10346:2015 |
|
Galvanisation |
Z600 according to EN 10346:2015 |
|
Breaking load |
510 N/mm2 |
|
Yield strength |
450 N/mm2 |
|
Thickness |
e= 0,82 to 4 mm |
Design and Technical Characteristics
Corrugation wave. 76x14mm.
Usable height : 1140 mm
Usable lenght: 2400 mm
Guarantees correct flow and structural quality
REINFORCEMENT:
| Material | |
|---|---|
|
Steel |
S450GD según EN 10346:2015 |
|
Galvanisation |
Z600 according to EN 10346:2015 |
|
Breaking load |
510 N/mm2 |
|
Yield strength |
450 N/mm2 |
|
Thickness |
e= 1.5 to 4 mm |
Design and Technical Characteristics
Perfiles omega: Diseño especial para soportar la carga vertical.
Perforaciones: Cada 76mm.
Tipo UPN con acero S355JR+HAG, para grandes cargas.
OTHER STANDARD COMPONENTS//
Galvanised Tube
MATERIAL:
Steel E220 according to EN ISO 10219:2016
Galvanization Z275 according to EN 10346:2015
Thickness e=2 mm ot e=4mm
DESIGN AND FEATURES:
Ø= 60mm L= 6000mm
Tube splice and support
MATERIAL:
Steel S280GD according to EN 10346:2015
Thickness. Tube splice e=2mm & support e=3mm
MATERIAL:
Steel S280 GD according to EN 10346:2015
Galvanisation Z600 according to EN 10346:2015 Thickness e=3 mm
DESIGN AND FEATURES::
Punching in different positions
Angle 40x40mm
Length 1100 mm
MATERIAL:
Steel S 280 GD, according to EN 10346:2015
Galvanisation Z600 according to EN 10346:2015
DESIGN AND FEATURES:
Ø 400 mm
Pressure lock seals the door
MATERIAL:
Steel S275JR according to EN 10025-2:2020
Galvanization HDG according to EN ISO 1461:2023
DESIGN AND FEATURES:
Access to the inside of the silo.
Avilable in Two dimensions: 600x700mm & 530x700mm.
Locking system by 4 pressure screws (2 outside & 2 inside) & foam
Predrilled bodysheet: Saving on site work
MATERIAL:
Hot galvanization (M 10: 70 – 85 & M8 50 – 80 microns of zinc) EN ISO 1461:2023
Extra resistance and corrosion protection
DESIGN AND FEATURES:
Metal washer with neoprene seal.
Quality: 8.8 y 10.9
Supply preassembled bolting to avoid on site work
Buttyl rubber compound. Supplied with double cord to ensure an optimal seal