G type Finned Tubes
G type embedded spiral finned tube is processed from a certain width in the steel pipe and spiral groove depth, then inlays the ribbon on the steel pipe by the equipment. In winding process, as the pre-tightening force to a certain extent so the strip will be firmly in the spiral groove, to ensure there is a certain contact area between steel band and steel pipe. In order to prevent the strip spring falling off the light tube, the two ends of the steel strip need to weld onto the steel pipe. In order to set easily, there should be a certain clearance between steel belt and spiral groove. If the clearance is too small the setting process will be difficult to proceed smoothly. In addition, the steel belt of winding there will always be a certain amount of rebound, which makes it cannot very good joint among the steel belt and spiral groove bottom. Inlaid fins can be conducted on general equipment, and they cost little. McElroy companies in the United States the company I used the advanced production equipment, slotting embedding technology is advanced, from stable, embedded and firm, pulled off force not less than 70 n, the allowable temperature can reach 400 ℃, has the strong ability of temperature resistance and thermal shock, widely used in petrochemical air cooler.
Fin Tubes Information:
ASTM A179 G Embedder aluminum fin tubes (For example)
| Size of tube | mm | 25.4×2.77*6096 |
| weight of tube | kgs. /ea. | 10.37 |
| Material of tube | ASTM A179 | |
| Type of Fin tube | G Embedder fin type | |
| Material of fins | SB-209 Al. alloy 1060/1100 | |
| OD. Of tube | mm | 25,4 |
| Thickness of Tube | mm | 2.77 |
| Height of fin | mm | 15.875 |
| OD. Of Fin tube | mm | 57.15 |
| Thickness of Fin | mm | 0.4 |
| Qty of fins | fins/in | 10 |
| Length of tube | mm | 6096 |
| Length of fin parts | mm | 6018 |
| SEPARATOR ZINC RING | QTY/EA | 3 |
Description
Product Name: Embedded Finned Tube, G Type Embedded/ Grooved Fin Tube,L Type Embedded/Wrap Around Fin Tube,LL Type Embedded/Wrap Around Fin Tube,KL Type Embedded/Wrap Around Fin Tube,
• Base Pipe OD: 15.88-101.6mm
• Base Pipe wall Thk: 1.5 to 3mm
• Fin Height: 6.35-25.4mm
• Fin Thickness: 0.3 -1.0mm
• Number of Fins: 2~9 FPI
• Fin Pitch: 2.5mm-5mm
• End: Plain Ends, Beveled Ends,BST
Base Tube Material
• Carbon Steel： SA179, SA334, SA214, SA106B, SA-192,SA210 GRA1/C,10#, 20#,
• Stainless Steel：SA789, SA213, SA312, TP304, TP316L,TP316Ti
• Cooper：ASTM B111/ASME SB111:C12200,C68700,C44300,C71500,CuNi90/10, 70/10,70/20,70/30
• Titanium：Grade:B338 Gr2 B338 Gr7
Fin Material
• Aluminum：AA 1000 Series,AA 3000 Series,AA 6000 Series
• Cooper：SB111 C12200
Applied Temperature:380℃-420℃
Inspections:
• Chemical composition
• Mechanical Properties
• Hydrostatic Test
• Boroscopic Inspection
• Eddy Current Test
• Tensile Test
If you have any Inquiry, please don't hesitate to contact us immediately,
Email:info@fintuberadiator.com
Specification
| Type | Description | Base tube | Base tube | Fin specification | |||||
| O.D. (mm) | O.D. (inch) | Fin pitch(mm) | Fin pitch(FPI) | Fin height(mm) | Fin height(inch) | Fin thick(mm) | Fin thick(inch) | ||
| Embedded | G Type Embedded/ Grooved Fin Tube | 14-51 | 0.5-2 | 2--6 | 3--14 FPI | 7--17 | 0.27--0.669 | 0.35--2 | 0.0137-0.0787 |
| L Type Embedded/Wrap Around Fin Tube | 10-51 | 0.4-2 | 2--6 | 3--14 FPI | 7--17 | 0.27--0.669 | 0.35--2 | 0.0137-0.0787 | |
| LL Type Embedded/Wrap Around Fin Tube | 10-51 | 0.4-2 | 2--6 | 3--14 FPI | 7--17 | 0.27--0.669 | 0.35--2 | 0.0137-0.0787 | |
| KL Type Embedded/Wrap Around Fin Tube | 10-51 | 0.4-2 | 2--6 | 3--14 FPI | 7--17 | 0.27--0.669 | 0.35--2 | 0.0137-0.0787 | |
| Extruded | Carbon base tube | 15.88--50.8 | 0.625--2 | 1.8-8 | 3--14 FPI | 5--16 | 0.2--0.63 | 0.3-1.2 | 0.012--0.047 |
| Stainless base tube | 15.88--50.8 | 0.625--2 | 1.8-8 | 3--14 FPI | 5--16 | 0.2--0.63 | 0.3-1.2 | 0.012--0.047 | |
| Copper base tube | 15.88--50.8 | 0.625--2 | 1.8-8 | 3--14 FPI | 5--16 | 0.2--0.63 | 0.3-1.2 | 0.012--0.047 | |
| Low Fin Tubes ( Integral Fin Tube ) | Carbon Steel, stainless steel, titanium, copper, brass, nickel alloy. | 6.35--38 | 0.25--1.5 | 2.8--12.7 | 2--9FPI | 0.38--1.27 | 0.015 --0.050 | ||
| High Frequency Welding Fin tube | Solid Helical Fin Tubes | 15.88--273.1 | 0.625--10 | 3--25 | 0.118--1 | 5--30 | 0.196--11.811 | 1--3 | 0.0393--0.1181 |
| Serrated Helical Fin Tube | 15.88--273.1 | 0.625--10 | 3--25 | 0.118--1 | 5--30 | 0.196--11.811 | 1--3 | 0.0393--0.1181 | |
| H/HH Type Rectangular Fin tube | 15.88--273.1 | 0.625--10 | 3--25 | 0.118--1 | <219 | <8 | 1--3 | 0.0393--0.1181 | |
| Studded Fin Tube | 15.88--273.1 | 0.625--10 | 3--25 | 0.118--1 | 5--30 | 0.196--11.811 | φ5-20 | ||
| Elliptical/Oval Fin tube | Hot dipped galvanized | 36*14 | 2.5--3 | 0.0984--0.118 | 55*26 | 0.25 | 0.0098 | ||
| Laser Fin tube | Copper,Brass,nickel | 10--45 | 0.393--1.771 | 2--10 | 0.0787-0.3937 | 5--23 | 0.196--0.905 | 0.3-1.2 | 0.011--0.047 |
