DELLOK T91 Alloy Steel Economizers HF Hairpin Spiral Welded Steel Pipe - 19-219mm OD, 18m Length
Price:
N/A Contact us for details
MOQ:
N/A Contact us for details
Delivery Time:
Ex-work within 1 month on recepit of order.
Brand:
DELLOK
Product Description
Product Overview
DELLOK T91 Alloy Steel Economizers HF Hairpin Spiral Welded Steel Pipe is a high-performance heat transfer solution designed for waste heat recovery applications in industrial boiler systems.
Technical Specifications
Core Dimensions
| Parameter | Solid Fins | Serrated Fins |
|---|---|---|
| Tube OD Range | 19mm - 219mm | 19mm - 219mm |
| Fin Height | 8mm - 26mm | 8mm - 32mm |
| Fin Thickness | 0.8mm - 2.8mm | 1mm - 1.6mm |
| Fin Pitch | 4mm (250 FPM) | 3.3mm (303 FPM) |
| Max Tube Length | 18,000mm | 18,000mm |
Material Compatibility
| Component | Material Options |
|---|---|
| Core Tube | Carbon Steel, Alloy Steel, Heat Resistant Steel, Stainless Steel (A213 T91, T11, T22, TP304/304L, TP316/316L, etc.) |
| Fins | Carbon Steel, Alloy Steel, Stainless Steel (Q235-BF, 08F, TP304/304L, TP316/316L, etc.) |
Key Features & Benefits
- High Heat Transfer Efficiency: 8-9 times higher than plain tubes
- Maximum Temperature Resistance: Up to 800°C for stainless steel fins
- Integral Construction: Eliminates heat contact resistance and losses
- Dual Fin Options: Solid plain and serrated helical welded designs
- Hairpin Configuration: Bending capability for complex installations
Quality Assurance
- Raw Material Control: Comprehensive testing of tubes and fins
- Process Monitoring: WPS, PQR & WPQ documentation
- Non-Destructive Testing: Weld deposition efficiency and tensile tests
- Final Inspection: Visual, dimensional, and bending checks
Production Capabilities
- 4 high-frequency welding finning lines
- 10,000+ square meter manufacturing facility
- Daily production capacity: 40 tons
- Additional services: Tube swaging, spacer rings, mixed fin types
Application Areas
Ideal for fired heaters, heat exchangers, boilers, economizers, pre-heaters, coolers, heat pipes, and various industrial heating systems requiring efficient waste heat recovery.
Product Images
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd.
Location
No.18 Tianyue Road,Yanzhou,Jiangsu China
Contact Person
Brian Wanqian