Applications
1. Economizers;
2. Heat exchangers;
3. Marine boilers.
| Base tube diameter | 25mm-73mm | 
| Base tube wall thickness | 3.0mm-6.0mm | 
| Fin thickness | 1.5mm-4.0mm | 
| Fin pitch | 9.0mm-30.0mm | 
| Fin height | 15.0mm-45.0mm | 
 
| Base tube material: Stainless steel, Carbon steel, Alloy, Nickel etc. 
 Fin material: Carbon steel, Stainless steel, Alloy etc.
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