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The diameter: 25-1000mm
The thickness: 0.8-12mm
The length: less than 12m
The hole type: bridge hole, round hole ,square hole and so on.
The specifications and materials of hole punching can be produced and installed in accordance with the needs of users.
- Excellent corrosion-resisting
- Tubes are available with an internal spring for additional strength
- With side opening exterior protection cover (optional)
- Unique design of filter ring
- Spiral welded perforated tube is approximately 15% stronger than longitudinally and welded tube
- Easy for installation and less work time
- Unlimited tube lengths
- Lighter wall thickness can be used
Applications: Spiral welded perforated tube is used for petroleum, oil extraction, chemical, sewage treatment equipment, filter impurities in water purification.
- The first will be punching mesh belt according to customer requirements
- After the punching will mesh belt by the spiral bending forming, argon arc welding.
- Surface treatment: mild steel to prevent corrosion, oil or to oil, sand blasting processing. Pickling or shield, stainless steel electrolytic polishing, surface coating, epoxy coating, or other etc.
Raw material inspection-punching - roll welding inspection straightness, roundness inspection - cutting - pickling, shield inspection - finished products.