
Surface preparation for storage tanks requires controlled, consistent, and repeatable processes. Our tunnel shotblast machines (type Sandermatic or Tunnelblast) , are engineered specifically for cylindrical geometries and large volumes, ensure:
- Surface preparation grade SA 2½ (minimum) according to ISO 8501-1
- Uniform removal of coatings (old paint) and oxides
- Optimized abrasive flow management and impact velocity control
- Full integration into automatic blasting–painting lines
Through our engineering expertise, we support preparation processes for critical applications, where surface profile quality is essential for ensuring optimal adhesion of protective coatings.

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