DELLOK (YONGHUI RADIATING PIPE MANUFACTURING CO.,LTD.) specializes in high-performance finned tubes with over 20 years of industrial manufacturing experience. Our facility features 47 finned tube production lines with an annual capacity exceeding 12 million meters.

• Cost-effective manufacturing method
• Suitable for low-temperature applications up to 150°C
• Easy fin replacement during production
• No helical groove required on core tube

• Enhanced corrosion resistance
• Maximum operating temperature 180°C
• Alternative to expensive extruded fin types

• Knurled surface for superior tube-fin bonding
• High thermal performance up to 260°C
• Excellent vibration and corrosion resistance

• Atmospheric Corrosion Resistance: Excellent
• Mechanical Resistance: Standard
• Fin Contact: Interference Fit
• Heat Transfer Efficiency: High

• Petroleum, chemical and petrochemical process industries
• Natural gas treatment facilities
• Steel industry: blast furnace and converter systems
• Power generation: steam turbine exhaust condensing
• Fossil and nuclear power plants
• Air conditioning systems (Freon, ammonia, propane)
• Compressor coolers and industrial refrigeration

Our finned tubes are manufactured using precision winding technology where aluminum or copper fin strips are wrapped under tension around the base tube. The KL type features additional knurling for enhanced bonding strength and thermal performance.

We provide customized finned tube solutions according to specific customer requirements. Our technical team offers comprehensive support for all industrial heat transfer applications.