JIANGSU RELIANCE THERMAL EQUIPMENT CO., LTD
Jiangsu Reliance Thermal Equipment Co., Ltd Jiangyin Reliance International Trade Co., Ltd Living by Efficiency, Innovation and Reliance
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High Frequency Welded Seamless Carbon Steel Spiral Fin Tube For Boiler Heat Exchanger
| Fin tube detailed specification | ||||||
| Material | Specification | Fin OD | Heat exchanging area(M2) | Fin height | Fin thickness | Fin distance |
| Carbon steel tube with extruded aluminium fin | ODΦ18 X 2.0 | Φ38 | 0.72 | 10 | 0.3 | 3 |
| ODΦ21 X 2.0 | Φ45 | 0.96 | 12 | 0.3 | 3 | |
| ODΦ21 X 2.0 | Φ51 | 1.15 | 15 | 0.3 | 3 | |
| ODΦ25 X 2.5 | Φ50 | 1.2 | 12.5 | 0.3 | 3 | |
| ODΦ25 X 2.5 | Φ55 | 1.37 | 15 | 0.3 | 3 | |
| ODΦ32 X 2.5 | Φ62 | 1.56 | 15 | 0.3 | 3 | |
| Carbon steel tube with crimped carbon steel fin | ODΦ18 X 2.0 | Φ38 | 0.57 | 10 | 0.3 | 4 to 5 |
| ODΦ21 X 2.0 | Φ51 | 0.68 | 15 | 0.3 | 5 to 8 | |
| ODΦ21 X 2.0 | Φ45 | 0.76 | 12 | 0.3 | 5 to 8 | |
| ODΦ25 X 2.5 | Φ50 | 0.96 | 15 | 0.3 | 5 to 8 | |
| ODΦ25 X 2.5 | Φ55 | 1 | 15 | 0.3 | 5 to 8 | |
| ODΦ32 X 2.5 | Φ62 | 1.1 | 15 | 0.3 | 8 to 10 | |
| ODΦ32 X 2.5 | Φ72 | 1.21 | 20 | 0.3 | 8 to 10 | |
| Stainless steel tube with crimped stainless steel fin | ODΦ18 X 2.0 | Φ38 | 0.62 | 10 | 0.3 | 4 |
| ODΦ21 X 2.0 | Φ51 | 0.75 | 15 | 0.3 | 5 | |
| ODΦ21 X 2.0 | Φ45 | 0.87 | 12 | 0.3 | 5 | |
| ODΦ25 X 2.5 | Φ50 | 1 | 12.5 | 0.3 | 5 | |
| ODΦ25 X 2.5 | Φ55 | 1.25 | 15 | 0.3 | 5 | |
| Stainless steel tube with extruded aluminium fin | ODΦ18 X 2.0 | Φ38 | 0.72 | 10 | 0.3 | 3 |
| ODΦ21 X 2.0 | Φ51 | 0.96 | 12 | 0.3 | 3 | |
| ODΦ21 X 2.0 | Φ45 | 1.15 | 15 | 0.3 | 3 | |
| ODΦ25 X 2.5 | Φ50 | 1.2 | 12.5 | 0.3 | 3 | |
| ODΦ25 X 2.5 | Φ55 | 1.37 | 15 | 0.3 | 3 | |
| ODΦ32 X 2.5 | Φ62 | 1.56 | 15 | 0.3 | 3 | |
| All the unite is in mm | ||||||
Quick Detail:
G Fin Finning Lines: 5 finning machines.
Daily capacity up to 3500 meters.
Tube OD: 50.8mm(2'') max.
Tube Length: 18,000mm max.
Fin Height: 16.5 mm max.
Fin Thickness: generally 0.4mm ~0.6mm
Fin Pitch: 2.1 mm (12FPI) min.
Manufacturing process
The aluminum fin strip is tension wound and placed into a groove cut into the tube.
G Fin Fluted Depth:
Appr. 0.4mm.
Surface Protection:
Zinc or Aluminum metalized applied by an electro spray arc system coating.
Acceptance criteria:
API Standard 661(Air-Cooled Heat Exchangers for General Refinery Service) or the delivery conditions.
Accessories
Tube support box, clamp or spacer box (Materials: Aluminum, Zinc and Stainless Steel).
Delivery condition:
Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of G-Fin Embedded Finned Tube.
The desiccants are put into each package for continental transporation as well.
Applications:
The common application fields are:
Specifications:
Grooved G type Finned Tubes are combined with two different materials.
| Items | General Materials | Popular ASTM Materials |
| Core Tube Material |
carbon steel, ow-alloy steel, stainless steel, brass, copper, cooper-nickel alloys, aluminum bronze, nickel alloys. |
1. Carbon Steel: A179, A192,SA210 Gr A1/C,A106 Gr B 2. Stainless Steel: TP304/304L,TP316/TP316L/316Ti, A789 S31803/S2205 etc... 3. Copper:UNS12200/UNS14200/UNS70600, CuNi70/30,CuNi 90/10 |
| Fins Material |
1. Aluminum 2. Copper. |
1. Aluminum(Alu.1100,Alu.1060) 2. Copper. |
|
All dimensions are in Inches and specification upon your requests. |
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|
Tube OD |
Fin Height |
Fin Thickness |
Fins per Pitch(Density) |
|
5/8 |
3/8,1/2 |
.015/.016/ .020 |
6, 7, 8, 9, 10, 11, 12 |
|
3/4 |
5/8,1/2 |
.015/.016/ .020 |
6, 7, 8, 9, 10, 11, 12 |
|
1 |
5/8,1/2 |
.015/.016/ .020 |
6, 7, 8, 9, 10, 11, 12 |
|
1 1/4 |
5/8,1/2 |
.015/.016/ .020 |
6, 7, 8, 9, 10, 11, 12 |
|
1 1/2 |
5/8,1/2 |
.015/.016/ .020 |
6, 7, 8, 9, 10, 11, 12 |
|
Please email us for more information. |
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Competitive Advantage: