EN10204 L/LL/KL Type Fin Tube , Overlapped Type LL Cooling Aluminum Fin Tube

EN10204 Type 3.2 Certified required overlapped Type LL Cooling aluminum fin tube

Quick Detail:

Manufacturing process: The fin strip (normally aluminum and copper) is folded into an L SHAPE and wound onto the base tube surface under tension. The feet of the fins are joined together and cover the finned surface.

Surface Protection

Both bare ends shall be 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 (TDC).

Accessories

Tube Support Box, Clamp or Spacer Box (Material: 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 LL Type Tension Wound Finned Tube.

Packing:

The desiccants are put into each package for continental transportation 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:

LL Type Tension Wound Tube is combined with two different materials.

finned tube

aluminum fin tube

EN10204 L/LL/KL Type Fin Tube , Overlapped Type LL Cooling Aluminum Fin Tube Images