
Bolt-Tec
Flexible. Simple. Safe.
The Bolt-Tec Silo. Simply smarter.
The Bolt-Tec Silo from Zeppelin Systems is delivered pre-assembled, screwed together on-site, and is relocatable at any time. Its modular design allows for easy future expansion. The unique, shock-free, and patented bolting technology prevents product residues, revolutionizing bulk material storage. The result: perfect product quality.
Thanks to the innovative Bolt-Tec bolting technology, Zeppelin Systems enables assembly in record time. Attractive leasing options are also available for maximum flexibility. We Create Solutions!
Benefits
Special Highlights
100% FLEXIBLE DUE TO MODULARITY
Bolt-Tec silos adapt flexibly to your needs and can be easily expanded or modified.
100% SAFE PRODUCT DISCHARGE
Reliable technology ensures safe and efficient discharge of your materials.
75% LOWER TRANSPORT RISKS
The optimized design of Bolt-Tec silos minimizes transport risks.
50% LOWER OVERALL COSTS
Efficient assembly and cost-effective materials sustainably reduce your investment costs.
Holistic Excellence: Design, Quality, Safety, Performance, and Service

Convincing Design
- Three different diameters available: 4050, 5400, 6750 mm
- Storage capacities / volumes: 64 – 1100 m³
- Various cone opening angles: 40° / 60°
- Design pressures: -5 to +45 mbar(g)
- Temperatures: -20°C to +50°C
- Simple and cost-effective assembly through bolting
- CNC-machined flange surfaces
- Precise sealing: internal, protected silicone sealing ring

Unique Quality
- Innovative manufacturing process with FSW (Friction Stir Welding)
- Precision and prefabricated silo segments from the factory (welded, tested, and approved)
- Robust flange connections

100% Safety
- Fully automated, pre-tested, quality-assured weld seams from the factory
- High stability and durability through flange connections
- Use of rigid flange connections on each segment

Outstanding Performance
- Structural design of the silos according to applicable standards
- Modular design
- Effortless installation even in confined spaces
- No on-site welding required: weather conditions are irrelevant;
- Bolted and quick assembly of the segments on-site
- Cost-effective and versatile transport by truck or ship in containers
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