Seamless Carbon Steel Embedded Fluted Finned Tube With 0.5mm thk copper Stock

Detail:

G Fin Finning Lines: 7 finning machines.

Daily capacity up to 7,000 meters. 

Tube OD: 50.8mm(2'') max.

Tube Length: 18,000mm max.

Fin Height: 16.5 mm max.

Fin Thickness: generally 0.4mm ~0.6mm

Fin Pitch: 2.1 mm (12FPI) min. 

Manufacturing process

The aluminum fin strip is tension wound and placed into a groove cut into the tube. 

G Fin Fluted Depth: 

Appr. 0.4mm. 

Surface Protection: 

Zinc or Aluminum metalized applied by an electro spray arc system coating. 

Acceptance criteria:

API Standard 661(Air-Cooled Heat Exchangers for General Refinery Service) or the delivery conditions. 

Accessories

Tube support box, clamp or spacer box (Materials: Aluminum, Zinc and Stainless Steel).

Delivery condition:

Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of G-Fin Embedded Finned Tube. 

Packing: The desiccants are put into each package for continental transporation as well.

Applications: 

The common application fields are:

1. Heat exchangers units for power plant(electric, nuclear, thermal and geothermal power plants);

2. High corrosive systems (condensers, evaporators, sea water desalinations, fertilizing, urea systems, ammonia, gas, corrosive acids);

3. The petroleum, chemical and petrochemical industries;

4. The food processing and refrigeration industries;

5. Natural gas treatment;

Specifications: 

Grooved G type Finned Tubes are combined with two different materials.