Areas of application
Flexible ‘Spirostore’ silos and containers are made of very strong and durable hightech polyester fabric and are suitable for a broad range of varied applications. They are available for weights up to 40 tons and volumes up to 7,000ft3.
Flexible bins (silos, containers) are in demand everywhere today where bulk goods need to be stored quickly, efficiently and safely in the plastic and recycling industry, in the chemical and pharmaceutical industry as well as in sectors of food, animal feed and sweets industry.
The bulk goods that can be stored are equally varied: from trouble-free peas and polystyrene balls through to interlocking materials such as baking flour, color pigments and even clumping materials such as tea leaves, fiberglass and shredded wool.
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- Optimized space utilization, i.e. large storage capacity with a low space requirement
- Low weight, which means that no complex foundations are required
- Robust and durable construction
- Thanks to their flexible walls, flexible silos have very good discharge characteristics
- Choice of shut-off and emptying devices
- Safe system function with low operating and maintenance costs
- Very easy to clean ... very flexible for all-round use
‘Spirostore’ Flexible Silos are tailormade and include an appropriate Discharge Aid when required:
| Bulk goods classes | Discharge characteristics | Example | Discharge aid |
| 1 | Flows without restriction | Peas, Polystyrene, Plastic granules | None |
| 2 | Flows with restriction | Rough cereal, Plastic grist | Silo and outlet cone made of flexible fabric |
| 3 | Sometimes forms bridges | Cereals, Oatmeal, Grass seeds | SpiroSlip or SpiroFlex |
| 4 | Does not flow out, injected air allows the bulk goods to flow | Flour, Cocoa, Color pigments, Talcum, Kaolin | SpiroAir or SuperSpiroFlex |
| 5 | Does not flow out, the bulk goods cannot be made to flow | Gum meal, Broken cork | Spiro Flex or SpiroSlip or SuperSpiroFlex |
| 6 | Product sticks or clumps | Gum granulate, Glue granules | SuperSpiroFlex |
| 7 | When under pressure, the products agglomerate | Mica lamella, Tea leaves | SuperSpiroFlex |
| 8 | Bulk goods mat together | Pumace, Plant material dried | SuperSpiroFlex |
| 9 | Bulk goods form wide-spanned bridges (e.g. up to 9 feet) | Foil and Paper strips, Shredded wool | SuperSpiroFlex |
| 10 | Forms bridges even against vertical walls | Stone wool, Fiberglass crushed | SuperSpiroFlex |
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