stainless steel spiral welded perforated tube is also be called perforated tube, Spiral welded tube, Spiral tube, Skeleton of filter element.
Product Features:
1> Large support, high roundness, high straightness, higher strength than straight seam welded tube.
2> Small raw materials manufacture large welded tube.
Technical parameters:
| Material | 304 or 316 stainless steel |
| OD | 50mm-300mm |
| Length | ≦2m |
| Thickness | 1.0mm, 1.5mm, 2mm, 2.5mm, 3mm etc. |
| Standard hole size | 3mm |
| Standard hole interval | 5mm |
| Tolerance | ≦0.1mm |
| special material and requirements can be customized as well | |
Application:
Petroleum, Petroleum extraction, chemical industry, Sewage treatment, power plant filtration, purification water treatment equipment.