Longitudinal Finned Tube
DELLOK High Frequency Welded Longitudinal Finned Tube 16-273mm OD with 4.0-38.1mm Fin Height for Heat Exchangers
DELLOK high frequency welded longitudinal finned tubes offer superior thermal efficiency with base tube sizes from 16mm to 273mm and fin heights from 4.0mm to 38.1mm. Manufactured with advanced resistance welding technology and compliant with TEMA/DIN standards, these tubes provide excellent heat transfer performance for industrial applications. Custom materials including carbon steel, stainless steel, and copper alloys available.
DELLOK High Frequency Welded Longitudinal Fin Tube Air Heater - 16-273mm OD, 12,000mm Length Heat Exchanger
DELLOK longitudinal finned tubes provide 8-12x more heat transfer area than bare tubes, manufactured using advanced resistance welding technology. Available in carbon steel, stainless steel, and alloy steel materials with tube diameters from 16-273mm and lengths up to 12,000mm. Ideal for petrochemical, power, and industrial heating applications with comprehensive quality control and 24/7 service support.
DELLOK High Frequency Welded Stainless Steel Longitudinal Fin Tube 16-273mm OD with 5-25mm Fin Height for Heat Exchangers
DELLOK high-frequency welded stainless steel longitudinal fin tubes provide 8-12 times more heat transfer area than bare tubes. With tube diameters from 16-273mm and fin heights of 5-25mm, these tubes offer superior efficiency for heat exchangers, heaters, and industrial cooling systems. Manufactured with 47 production lines and annual capacity of 12 million meters.