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A179 SMLS Carbon Steel OD19X1.25WT LL Type Fins Radiator Tube with Spacer Box

Categories Heat Exchanger Fin Tube
Brand Name: Reliance
Model Number: LL Type Fin Tube
Certification: CE,ISO...
Place of Origin: China, import materials are available
MOQ: N/A
Price: N/A
Payment Terms: T/T, L/C
Supply Ability: Daily capacity up to 5,000 Meters
Delivery Time: Ex-work within 1 month after order.
Packaging Details: (1) Steel frame case sealed by plywoods with each end capped; (2)Solid fumigated wooden box with each end capped.
Fin Tube Type: LL Fin Tube, Overlapped footed LL Type Fin Tube
Fins Type: Solid,plain
Tube material: Carbon steel, stainless steel, CuNi....No limit
Fin material: Alu. 1050/1060/1100 & Copper
Tube wall thk: No limit
Tube length: No limit
Fin height: 16mm Max.
Fin thk: 0.4mm Average
Fin pitch: 12FPI
Spacer boxes: Alu./SS/Zinc
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    A179 SMLS Carbon Steel OD19X1.25WT LL Type Fins Radiator Tube with Spacer Box

    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:

    1. Heat exchangers units for power plant(electric, nuclear, thermal and geothermal power plants);
    2. High corrosive systems (condensers, evaporators, sea water desalinations, fertilizing, urea systems, ammonia, gas, corrosive acids);
    3. The petroleum, chemical and petrochemical industries;
    4. The food processing and refrigeration industries;
    5. Natural gas treatment;

    pecifications:


    LL Type Tension Wound Tube is combined with two different materials.


    ItemsGeneral MaterialsPopular ASTM Materials
    Core Tube MaterialCarbon 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:

    1. We have more than 10,000 square meters workshop, including 7 finning machines, daily capacity up to 5,000 Meters.
    2. The finning machines are designed and assembled by ourselves and we can offer you finning machines and all accessories etc...
    3. 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).
    4. 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


    Quality A179 SMLS Carbon Steel OD19X1.25WT LL Type Fins Radiator Tube with Spacer Box for sale
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