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2'' Copper Finned Tube Type L Tension Copper Finned Tubes With 3/4'' Tube OD
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2'' Copper Finned Tube Type L Tension Copper Finned Tubes With 3/4'' Tube OD

2'' Copper Finned Tube Type L Tension Copper Finned Tubes With 3/4'' Tube OD: The fin strip is welded continuously and spirally wound onto a polished bare tube. And the tube and fins are bonded together by using high frequency resistance welding technique; We produce both solid plain and serrated helical welded steel finned tube. And also, all spiral welding tubes could be bent in the middle or at the end of fin tubes, we call it Hairpin tubes.

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Product Description

2'' Copper Finned Tube Type L Tension Copper Finned Tubes With 3/4'' Tube OD


1.Product Details:

Place of Origin:

China, import materials are available

Brand Name:

Baerfu

Certification:

ISO...

Model Number:

Type LL fin tube, Overlapped fin tube


2.Payment & Shipping Terms:

Minimum Order Quantity:

N/A

Price:

N/A

Packaging Details:

(1) Steel frame case sealed by plywoods with each end capped; (2)Solid fumigated wooden box with each end capped.

Delivery Time:

Normally Ex-work with 1 month

Payment Terms:

T/T, L/C

Supply Ability:

Daily capacity up to 5,000 Meters

 

3.Detailed Product Description

Compamy Type:

Manufacturer & Exporter

Fin Tube Type:

Type L Fin Tube/ Tension Wrapped Finned Tube

Fins Type:

Solid,plain

Tube Material:

Carbon Steel, Stainless Steel, Alloy Steel, Copper Etc...

Fin Material:

Aluminum, Copper And Steel

Tube Length:

No Limit

Fin Thickness:

Generally 0.4mm Required

Packing:

Wooden Box / Steel Frame Case

High Light:

fintube,aluminum fin tube

2'' copper finned tube OD, type L tension copper finned tubes with 3/4'' tube OD

 

4.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: no limit.

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.

 

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).

 

5.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.

 

6.Packing: 

The desiccants are put into each package for continental transportation as well.

 

7.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;

 

8.SPecifications:

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


9.FAQ:

 

 Q

 A

01

How many days you need to install the equipment?                                  

30 days.

02

How many staff abroad you sent to install the equipment?

3 persons.

03

Can I delivery the goods from other supplier to your factory? Then load together?

Yes.

04

Can the equipment be installed under hot weather?

Yes.

05

Can Your products be installed under the cold weather?

Yes.

06

Can I only buy some spare parts from you?

Yes.

07

Will you participate in the exhibition?

Will do .

08

How long it takes you to provide the designing options for us?

1-2 working days .

09

What is your products standardization?

National standard .

10

How do you pack the equipment?

Wooden box .

11

Can you can design the equipment according to our size?

Yes.

12

How many years have your company made this kind of equipment?

13 years .

13

Which certificate do you have for your equipment?

ISO

14

Do you have any real project pictures of the equipment?

Yes.

15

How far is your factory from the airport?

50 minutes .

16

How long it will take from guangzhou to your factory?

2 hours by plane, 9-10 hours by high-speed rail.

17

Do you provide sample? Free or charge?

Samples can be provided, charges are required.

18 

What is your term of payment?

30% prepaid, paid in full before shipment.

19

What is your MOQ?

100 pcs .

20

Are you a trading company or a manufacturer?

Manufacturer.

21

How long is your delivery time?

40 days .

22

How many production lines in your factory?

7 high-frequency resistance welding spiral fin tube production lines, 

3 tube bending machines, 

18 rolling extruders,

12 aluminum fin winding and inlaying machines.





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