What is the use of spiral fins in these Vulcan tubular heating elements?

These continuous spiral fins are attached to the heater sheath to aid quick heat dispersion during operation, thus increasing efficiency.

What is the significance of fins in these finned tubular air heating elements?

The fins are secured to the surface of the tube to increase the heat transferred from the heating element to the surrounding fluid or air.

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Finned Tubular Heater Elements

Finned Tubular Heater Elements

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<p>Vulcan finned tubular heater elements are used with air duct heaters to increase the surface area of a heating element, thereby increasing its efficiency. They are ideal for commercial and industrial applications, such as HVAC systems, boilers and heat exchangers. </p>

VULCAN -

Finned Tubular Heating Elements

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Style	Model	Watts	Installation Depth	Voltage	Material	Phase	Heater Voltage	Watts Density	Screw Size	Price
A	FTH20B-B	2000 W	10 5/16"	240V AC	Steel	1	240V	72 W/sq. in.	8-32	€167.24
A	FTH30B-B	3000 W	15 5/16"	240V AC	Steel	1	240V	72 W/sq. in.	8-32	€190.81
A	FTH40B-B	4000 W	20 5/16"	240V AC	Steel	1	240V	72 W/sq. in.	8-32	€230.34
A	FTH50B-B	5000 W	25 5/16"	240V AC	Steel	1	240V	72 W/sq. in.	8-32	€227.40

VULCAN -

Replacement Heating Element

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Style	Model	Voltage	Watts	Installation Depth	Phase	Heater Voltage	Material	Sheath Material	Price
A	RE8-1000B	240V AC	1000 W	7"	1	240V	Steel	Steel	€153.15
A	RE12-1667C	240V AC	1667 W	11"	1	240V	Steel	Steel	€132.56
A	RE12-1333C	480V AC	1333 W	11"	3	480V	Steel	Steel	€135.19
A	RE8-1000C	480V AC	1000 W	7"	3	480V	Steel	Steel	€157.32