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A179 SMLS Carbon Steel LL Type Fins Radiator Tube with Spacer Box
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Brand Name:Reliance
Model Number:LL Type Fin Tube
Certification:CE,ISO...
Price:N/A
Payment Terms:T/T, L/C
Supply Ability:Daily capacity up to 5,000 Meters
Delivery Time:Normally Ex-work with 1 month
Company Data
Verified Supplier
Contact Person
Jennifer
Business Type:
Manufacturer Importer Exporter Seller
Officials:
No.19, Shashan road, Huashi town, Jiangyin city, Jiangsu province, China,214421
Quality:
Quality Certifitation Available
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Product Details
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Product Details
A179 SMLS Carbon Steel , OD19X1.25WT, LL Type Fins Radiator Tube with Spacer Box
Quick Detail:
General LL Type production capacity | General specifications of L Type fin tubes |
Finning Facility: 7 finning machines; Daily capacity up to 5000 meters; | Tube OD: 50.8mm 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. |
LL Type Finned Tube (LL-Wound Fin Tubes) process: Fins made by wrapping base tube with fin strip, as in the case of type ‘L’ Tension Wound Type. | |
Description:
Manufacturing process: The fin strip (normally aluminum and copper) is folded into an L SHAPE and wound onto the base tube surface under tension. The feet of the fins are joined together and cover the finned surface.
Surface Protection
Both bare ends 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 (Material: 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 LL Type Tension Wound Finned Tube.
Packing:
The desiccants are put into each package for continental transportation 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;
pecifications:
LL Type Tension Wound Tube is 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 3. Copper:UNS12200/UNS14200/UNS70600, CuNi70/30,CuNi 90/10 4. Titanium: B338 Gr 2 |
| Fins Material | Aluminum & 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 |
5/8 | /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 |
Competitive Advantage:
- We have more than 10,000 square meters workshop, including 7 finning machines, daily capacity up to 5,000 Meters.
- The finning machines are designed and assembled by ourselves and we can offer you finning machines and all accessories etc...
- This method of manufacturing overlapped LL type enables us to place the finning on a very thin-walled tube with is particularly desirable when using high value alloys (titanium, stainless, copper, nickel).
- The LL TYPE fin tubes can withstand a temperature of up to 170°C and provide a better corrosion protection by overlapping the feet of the L shapes. Maximum operating temperature: 170°C
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