Extruded Copper Fin Tube Extruded Embedded Type Spiral Brass Fin Tube Extruded
1. Mechanical-forming thermal-transfer tubes
▲ DR type-Extruded high fin tube (Solid and Serrated fins);
▲ L type-wrap-on spiral fin tube;
▲ LL type -Overlapped footed spiral fin tube;
▲ KL & KLM type-wrap-on knurled footed fin tube;
▲ G base type-Embedded fluted fin tube;
▲ LF- integral low fin tube (knurled option);
▲ I type-Crimped spiral fin tubes;
▲ Corrugated tube, spiral tube, helical slot tube;
2. Welding-forming thermal-transfer tubes
▲ HFW type -ERW High frequency resistance welding fin tube(Solid & Serrated Fins);
▲ H/HH type -DC welding square or rectangular fin tube;
▲ Studs type -ERW studded tube/Pipe;
▲ Longitudinal welding fin tube (Type: standard ,perforated, cut & twist);
▲ Single Row Flat Finned Tube & Elliptical Finned Tubes; 3.Others service on request
▲ Elbows, Bends, U-tube, Tube Swaging;
▲ Tube Support/Spacer Box Mat.:SS, Alu ,Galvanized/Zinc;
▲ X-Ray for butt welding;
▲ Turbulators;
Quick Detail:
Finning Facilities: 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:
- Heat exchangers units for power plant(electric, nuclear, thermal and geothermal power plants);
- High corrosive systems (condensers, evaporators, sea water desalinations, fertilizing, urea systems, ammonia, gas, corrosive acids);
- The petroleum, chemical and petrochemical industries;
- The food processing and refrigeration industries;
- Natural gas treatment;
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.
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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
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| Fins Material |
1. Aluminum
2. Copper.
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1. Aluminum(Alu.1100,Alu.1060)
2. Copper.
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All dimensions are in Inches and specification upon your requests.
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Tube OD
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Fin Height
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Fin Thickness
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Fins per Pitch(Density)
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5/8
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3/8,1/2
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.015/.016/ .020
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6, 7, 8, 9, 10, 11, 12
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3/4
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5/8,1/2
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.015/.016/ .020
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6, 7, 8, 9, 10, 11, 12
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1
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5/8,1/2
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.015/.016/ .020
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6, 7, 8, 9, 10, 11, 12
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1 1/4
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5/8,1/2
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.015/.016/ .020
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6, 7, 8, 9, 10, 11, 12
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1 1/2
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5/8,1/2
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.015/.016/ .020
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6, 7, 8, 9, 10, 11, 12
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Please email us for more information.
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Competitive Advantage:
- We have more than 10,000 square meters workshop, including 5 finning machines, daily capacity up to 3,500 meters.
- The Grooved G type Finning Machines are designed and assembled by ourselves and we can offer you finning machine and all accessories etc...
- The contact of manufacturing Grooved fin tubes is designed for a high wall temperature of up to 350°C.
Product Tags:
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Extruded Copper Embedded Fin Tube Spiral Brass Solid S31803 Images
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