DELLOK SA192 High Frequency Resistance Welded Fin Tubes - 19mm OD, 32mm Fin Height, 18m Length for Heat Exchangers
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MOQ:
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Delivery Time:
Ex-work within 1 month on recepit of order.
Brand:
DELLOK
Product Description
DELLOK SA192 High Frequency Resistance Welded Fin Tubes
High Frequency Resistance Welded Helical Steel Fin Tubes are engineered for efficient waste heat recovery from boiler flue gas systems. These tubes feature spirally wound fins continuously welded onto polished bare tubes using advanced high frequency resistance welding technology.
Product Specifications
Standard Dimensions
| Parameter | Minimum | Maximum |
|---|---|---|
| Tube Outer Diameter | 19mm | 219mm |
| Tube Length | N/A | 18,000mm |
| Fin Height | 8mm | 32mm |
| Fin Thickness | 0.8mm | 2.8mm |
| Fin Pitch | 4mm (solid) 3.3mm (serrated) |
20mm |
Available Materials
| Component | Material Types | Common ASTM Standards |
|---|---|---|
| Core Tube | Carbon Steel, Alloy Steel, Heat Resistant Steel, Stainless Steel | SA192, SA106B/C, SA179, SA178, SA210-A1/C, TP304/304L/304H, TP316/316L, TP321/321L, T11, T22, T91 |
| Fins | Carbon Steel, Alloy Steel, Heat Resistant Steel, Stainless Steel | Q235-BF, 08F, 08AL, 1Cr18Ni9Ti, 0Cr13, 1Cr13, SPHC, SPCC, TP304/304L, TP316/316L, TP321/321L |
Technical Features
- High frequency resistance welding ensures strong mechanical bonding between tube and fins
- Heat transfer ratio 8-9 times higher than plain tubes
- Maximum operating temperatures: 475°C (carbon steel), 800°C (stainless steel)
- Available in solid plain and serrated fin configurations
- Hairpin tube bending options available for complex installations
Quality Assurance & Testing
- Hydrostatic and pneumatic pressure testing
- Tensile tests to verify mechanical bonding strength
- Comprehensive dimensional verification
- Visual inspection for weld integrity and surface quality
- Compliance with international standards and client specifications
Production Capabilities
Our facility features 4 high frequency welding finning machines with daily production capacity up to 40 tons. We maintain comprehensive quality control throughout the manufacturing process.
Applications
Ideal for fired heaters, heat exchangers, boilers, economizers, pre-heaters, coolers, heat pipes, and various industrial heating systems requiring efficient thermal transfer.
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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
Peter Cheng