DELLOK Carbon Steel Studded Tube 1.5-12.75 Inch for Petrochemical Heat Transfer Applications
DELLOK studded tubes are engineered for demanding heat transfer applications in the petrochemical industry, featuring carbon steel construction with welded studs that enhance surface area and heat exchange efficiency.
Studded tubes serve as high-performance alternatives to finned tubes in petrochemical processing, particularly in fired heaters and boilers operating under corrosive conditions with frequent cleaning requirements.
| Base Tube Materials | Carbon Steel, Low Alloy Steels, Stainless Steel |
|---|---|
| Stud Materials | Carbon Steel Studs |
| Stud Types | Cylindrical, Elliptical, Lens Type |
| Tube Diameter Range | 1.5" to 12.75" |
| Heat Transfer Efficiency | 2-3 times higher than bare pipes |
Studs are automatically welded to the base tube using electric resistance welding technology controlled by PLC programming. Our advanced stud feeder system ensures consistent welding quality and production efficiency.
- Electrical power control
- Precise pressure application
- Optimized welding time
- Controlled cooling time
DELLOK studded tubes are specifically designed for:
- Petrochemical processing plants
- Fired heaters and industrial boilers
- Convection sections with dirty flue gas
- Power generation facilities
- Chemical processing equipment
- High rigidity for extreme temperature and pressure conditions
- Enhanced heat transfer surface equivalent to 4-10 bare pipes
- Superior cleaning capability for dirty fuel applications
- Increased film heat transfer coefficient
- Improved heat recovery efficiency
- Reduced maintenance requirements
DELLOK implements comprehensive quality control throughout the manufacturing process, including:
- Raw material inspection and certification
- In-process production monitoring
- Water pressure testing and strength validation
- Third-party inspection authorization
- Complete documentation and test reports
DELLOK (YONGHUI RADIATING PIPE MANUFACTURING CO.,LTD.), established in 2002, operates advanced manufacturing facilities with 47 finned tube production lines and annual processing capacity exceeding 20,000 tons.
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