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G embedded fin tubes

TECHNIFIN TYPE G G embedded fin tubes (with aluminum fins)

The fin strip is wound into a mechanically produced groove and tightened by

backfilling of the base material under pressure. Groove depth 0,4 mm.



G embedded fin tubes: The fin strip is wound into a mechanically produced groove and tightened by backfilling of the base material under pressure. Groove depth 0,4 mm. Advantages: High fin stability, excellent heat transfer, high operating temperature.

MANUFACTURING PROCESS

The manufacturing tool is made up of 2 non-cutting plates set at *0° to the axis of the base tubes (pipes) (core tube).The first plate effects a groove for metal spinning. The second directs the ribbon in the groove and sets the fin foot in the groove through pressure on the metal displaced for the groove. A similar plate made of tungsten carburate allows us to manufacture. G embedded fin tubes ( finned tubes )with base tubes (pipes) (core tube) made of austenitic steel or exotic alloys.

ADVANTAGES

1) Thermal The fin/tube wall contact is constant because of the setting and makes it possible to use a wall temperature of up to **0° C.

2) Mechanical The fin is set throughout its length and consequently does unwind even when partially uprooted.

Fins:Aluminum ASTM B**9 Al ***0;ASTM B**9 Al ***0, A***0, etc.

Maximum operating temperature for this fin type is **0° C.

G type embedded fin tubes machine is designed by ourself based on international advanced technologies and experience with stable and firm slotting embedding technology, pulled off force not less than *0 N, medium allowable temperature of **0 ℃, with strong resistant and heat-resistant ability, widely used in the impact of petrochemical refining air condenser.