Studded Tube

DELLOK studded tubes feature electric resistance welding technology for superior heat transfer efficiency (2-3x bare pipe performance). Available in sizes from 25-273mm OD with stud heights of 10-35mm. Ideal for furnaces, boilers, and corrosive environments requiring frequent cleaning. Made from carbon steel, stainless steel, or alloy materials.

DELLOK studded tubes feature automated electric resistance welding with stud diameters from 1.5" to 12.75", providing 4-10x greater heat transfer efficiency than bare pipes. Ideal for refinery heaters, water tube boilers, and harsh environments with dirty fuels. Manufactured with PLC-controlled precision and comprehensive quality assurance.

DELLOK carbon steel welded nailhead tubes offer superior heat transfer efficiency in corrosive environments. With tube diameters from 25-273mm and stud heights of 10-35mm, these tubes provide 2-3 times the efficiency of bare pipes and withstand harsh conditions in furnaces, boilers, and petroleum refineries.

High-performance carbon steel studded tubes with 12-273mm outer diameter and ≤12000mm length. Features 2-3x heat transfer efficiency of bare pipes, automatic resistance welding, and suitability for extreme temperature/pressure conditions in petrochemical and power industries.

DELLOK carbon steel studded tubes provide 2-3 times higher heat transfer efficiency than bare pipes, with automatic resistance welding for consistent quality. Ideal for petrochemical boilers and fired heaters operating under extreme temperatures and corrosive conditions. Features include superior cleaning capability, high rigidity, and comprehensive quality assurance for demanding industrial applications.

DELLOK Stainless Steel Silver Double Wall Steel Tube for Extreme Temperatures HB220-280 Hardness About Us DELLOK (YONGHUI RADIATING PIPE MANUFACTURING CO.,LTD.) was established in 2002, which is located in Jiangsu, China. After many years of development, the company now has 66 million yuan in fixed assets, more than 200 employees, and 33 technical staffs. We have 4 aluminum processing production lines, with the annual processing capacity of more than 20,000 tons; And we have

DELLOK Studded Tube The Ideal Solution for Enhanced Heat Transfer in Industrial Settings About Us DELLOK (YONGHUI RADIATING PIPE MANUFACTURING CO.,LTD.) was established in 2002, which is located in Jiangsu, China. After many years of development, the company now has 66 million yuan in fixed assets, more than 200 employees, and 33 technical staffs. We have 4 aluminum processing production lines, with the annual processing capacity of more than 20,000 tons; And we have 5 tube

DELLOK studded tubes feature resistance-welded studs for superior heat transfer in corrosive environments. With specifications including 25-273mm OD and 3.5-28.6mm wall thickness, these tubes provide 4-10x the surface area of bare pipes. Ideal for petroleum refineries, fired heaters, and boilers requiring frequent cleaning and high-temperature performance.

Industrial pin studded steel tubes with 25-273mm OD and 3.5-28.6mm wall thickness for power plant applications. Features automatic resistance welding, wear-proof design, and high heat transfer capacity equivalent to 4-10 bare pipes. Ideal for furnaces, boilers, and corrosive environments requiring frequent cleaning.

DELLOK TP410 studded tubes feature resistance-welded steel studs for superior mechanical bonding in corrosive environments. With tube diameters from 25-273mm and wall thickness 3.5-28.6mm, these tubes withstand extreme temperatures and harsh conditions in petrochemical, oil & gas applications. One-year warranty with custom OEM options available.

DELLOK A335 studded tubes feature resistance-welded studs for superior heat transfer in dirty gas streams and corrosive environments. Available in tube diameters from 25-273mm with stud heights of 10-35mm, these durable tubes withstand extreme temperatures and pressures in chemical, petrochemical, and power generation applications. Manufactured with comprehensive quality control and available in carbon steel, stainless steel, and alloy steel materials.

High-performance studded tubes with 4-10x increased surface area for superior heat transfer in boilers and heaters. Features wear-proof design, high temperature resistance, and compatibility with carbon steel, stainless steel, and alloy materials. Ideal for petrochemical, chemical processing, and industrial heating applications requiring efficient heat exchange in corrosive environments.

DELLOK studded tubes feature electric-resistance welded studs that increase heat transfer efficiency by 2-3 times compared to bare pipes. With tube diameters from 25-273mm and wall thicknesses of 3.5-28.6mm, these tubes reduce required pipe quantity by 75-90% while providing excellent mechanical resistance for harsh environments. Ideal for crude oil heating, navy boilers, and industrial heat exchangers.

High-performance studded tubes with steel studs automatically welded to base tubes for enhanced heat transfer in corrosive environments. Features include 3.5-28.6mm wall thickness, ≤25,000mm length, and compatibility with carbon, alloy, and stainless steel materials. Ideal for petrochemical plants, oil & gas facilities, and boilers requiring frequent cleaning.

High-performance carbon steel studded tubes with resistance-welded studs for superior heat transfer in air coolers. Features excellent mechanical resistance, corrosion protection, and high-temperature performance. Ideal for petrochemical, power plant, and industrial applications requiring frequent cleaning and durability.

DELLOK studded tubes feature electric resistance welding technology for superior heat transfer efficiency, excellent mechanical resistance, and complete corrosion protection. Ideal for petrochemical refineries, power plants, and industrial boilers operating under extreme temperature and pressure conditions. Available in carbon steel, stainless steel, and alloy steel combinations with tube lengths up to 25,000mm.

DELLOK welded studded fin tubes provide superior heat transfer efficiency with surface area equivalent to 4-10 bare pipes. Featuring excellent mechanical resistance and complete corrosion protection, these tubes withstand harsh environments and high-pressure cleaning. Available in tube diameters from 25-273mm and lengths up to 25,000mm for demanding industrial applications.

DELLOK studded tubes feature welded steel studs in cylindrical, elliptical, or lens configurations to increase surface area for superior heat transfer. With tube lengths up to 25,000mm and wall thickness from 3.5-28.6mm, these durable components are ideal for boilers, refineries, and petrochemical applications in high-temperature, corrosive environments.

High-performance studded finned tubes with 25-273mm OD range, providing 4-10x more surface area than bare pipes. Features electric resistance welding for excellent heat transfer efficiency, corrosion protection, and mechanical resistance. Ideal for oil refinery heaters, furnaces, and harsh environment applications with easy cleaning capabilities.

DELLOK Studded Tubes provide superior heat transfer efficiency for demanding industrial applications. Featuring customizable diameters and hole sizes, these tubes withstand temperatures up to 1200°F. Manufactured with over 20 years of expertise using cold drawn steel, aluminum, and titanium materials. Ideal for chemical processing, oil & gas, power generation, and pharmaceutical applications with comprehensive technical support.