High performance condneser tubes,
B111 C68700 core tubes with embedded C12200 Fins
Quick Detail:
G fin Finning lines: 7 finning machines.
Daily capacity up to 7000 meters.
Tube OD: 50.8mm(2'') max.
Tube Length: 18,000mm max.
Fin Height: 16.5 mm max.
Fin Thickness: generally 0.3mm ~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 with appr. 0.4mm fluted depth.
Surface Protection of Plain Ends
Both ends of Grooved G type Fin Tubes shall be 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 (TDC).
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.
Below is the photo we shipped packages to Shanghai port.
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, low-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 Alloy 2. Copper. | 1. Aluminum(Alu.1100,Alu.1060) 2. Copper. |
| All dimensions are in Inches and specification upon your requests. |
| 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. |
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.
