CuNi70/30 , CuNi90/10 , 26FPI With Internal Rib Condenser Low Fin Tubes
  • Air ProCuNi70/30 , CuNi90/10 , 26FPI With Internal Rib Condenser Low Fin Tubes

CuNi70/30 , CuNi90/10 , 26FPI With Internal Rib Condenser Low Fin Tubes

CuNi70/30 , CuNi90/10 , 26FPI With Internal Rib Condenser Low Fin Tubes: The integral low fin tube quality is assured by hydrostatic or pneumatic tests, eddy current tests & MARCO tests in order to verify design specifications; Acceptance Ceritia: WOLVERINE / HPT / GEWA-K & GEWA-KS.

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Product Description

CuNi70/30 , CuNi90/10 , 26FPI With Internal Rib Condenser Low Fin Tubes


1.Product Details:

Place of Origin:

China.Imported materials are available

Brand Name:

Baerfu

Certification:

ISO...

Model Number:

LF


2.Payment & Shipping Terms:

Minimum Order Quantity:

N/A

Price:

N/A

Packaging Details:

(1) All integral low fin tubes are packed in hexagonal bundles. 

(2) Steel frame case sealed by plywoods; 

(3) Solid fumigated seaworthy wooden box.

Delivery Time:

Ex-work with 5 weeks after order.

Payment Terms:

T/T, L/C

Supply Ability:

Daily capacity up to 5,000 Meters

 

3.Detailed Product Description

Company Type:

Manufacturer, Importer & Exporter

Fin Tube Type:

Low Fin Tubes

Fins Type:

Integral, N Type

Origin:

China

Nearest Port:

Shanghai Port, China

Acceptance Ceritia:

WOLVERINE, HPT, GEWA-K & GEWA-KS

High Light:

low Finned tube,low finned tubes

CuNi70/30 , CuNi90/10 , 26FPI With Internal Rib Condenser Low Fin Tubes


4.Quick Detail:

General Low Fin Tubes Production Capacity

 Specifications of Low Fin Tubes('N' Fins)


Finning Facility: 10 finning machines;
Daily capacity up to 3000 meters;

Tube OD: 12.7 mm~25.4mm
Tube Length: 18 meters max.
Fin Height: 1.2 mm ~2.77mm
Fin Thickness: appr. 0.3mm
Fin Pitch: 30 FPI /28 FPI/ 26 FPI/ 36 FPI /43 FPI



5.More Carbon Steel Tube Materials Sheet We're Supplying:

Chinese Standard

Steel Grade/ No.

American Standard

Steel Grade/ No.

GB5310

20G,15MoG,12CrMoG,

12Cr2MoG,15CrMoG,

12Cr1MoVG,

ASTM A106

GR. A,B,C

GB9948

10,20,12CrMo,15CMo

ASTM A53

GR.A,B

GB3087

10,20

ASTM A192

 

 

 

ASTM A179

 

 

 

ASTM A210

A-1,C

 

 

ASTM A333

GR.1,GR3,GR6

 

 

ASTM A334

GR.1,GR3,GR6

 

 

ASTM A209

T1, Ta, Tb

German standard

Steel Grade/ No.

Japanese standard

Steel Grade/ No.

DIN17175

ST35.8, ST45.8

JIS G3454

STPG370,STPG410

DIN1629

ST37.0, ST44.0, ST52.0

JIS G3461

STB340, STB410, STB440

British Standard

Steel Grade/ No.

European standard

Steel Grade/ No.

BS3059-Ⅰ

320

EN10216-1

P195TR1/TR2,P235TR1/TR2,
P265TR1/TR2

BS3059-ⅡS1/S2; TC1/TC2

360,440,

EN10216-2
TC1,TC2

195GH,P235GH,
P265GH,

 

 

6.Delivery Range of Low Fin Tubes
We can provide the integral low fin tubes with un-finned section gaps( 5mm Min.) in the middle of core tube OR bent with designed Bend Radius.
 
7.Quality Test:
The integral low fin tube quality is assured by hydrostatic or pneumatic tests, eddy current tests & MARCO            tests in order to verify design specifications.
Acceptance Ceritia: 
WOLVERINE  /  HPT  / GEWA-K & GEWA-KS 
 
8.Delivery Condition:
Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish.
The desiccants are put into the each package for continental transportation.
 
9.Applications: 
The Integral Low Finned Tubes find the preference in the following industrial sectors:

Heating systems

Ventilation systems

Refrigeration and climate control systems

Mechanical engineering

Automotive manufacturing

Chemicals and pertrochemical and power plant technology

 
10.Specifications: 
Tube and fins consist of same tube and materials as carbon steel , low-alloy steels , stainless steel , brass , copper , cooper-nickel alloys , aluminum bronze , nickel alloys , titanium etc...

Plain tube (mm)

Finned section dimensions (mm)

Ratio

De

D×t

Tp

dd

dr

di

η

mm

19×2

0.8

18.8

17

134

2.8

17.9

19×2

1

18.8

16.8

13.4

2.5

17.8

19×2

1.25

18.8

16.6

13

2.2

17.8

19×2

1.5

18.8

16.6

13

2

17.7

19×2

2

18.8

16.4

13

1.7

17.5

25×2.5

0.8

24.8

23

18.8

2.8

23.9

25×2.5

1

24.8

22.6

18.8

2.75

23.7

25×2.5

1.25

24.8

22.3

18

2.5

23.6

25×2.5

1.5

24.8

22.3

18

2.2

23.5

25×2.5

2

24.8

22

18

1.8

23.4

25×2.5

2.5

24.8

22

18

1.6

23.3

D------Outside diameter of plain end section 
Dof----Diameter of top fins
Dr-----Root diameter of finned section 
Di-----Inside diameter of finned section
T------Wall thickness of plain end section
Tp-----Fin pitch
De----Equivalent diameter of finned tube
L------Plain tube end length

Please email us for more information.


11.Competitive Advantage:

■ We have more than 10,000 square meters workshop, including 10 finning machines, daily extrusion capacity up to 3,000 meters.

■ The finning machines of Integral Low Fin Tubes are designed and assembled by ourselves and we can offer you finning machines and all accessories etc...

■ The Integral Low Fins are rolled out of the tube surface to increase the tubes external surface area, without affecting any others dimension.

■ Low Fins are very useful for tight condensers and exhibits high efficiency of heat transfer.

■ Economical solutions of heat exchange problems of media with different heat conduction abilities or different current conditions.

■ High chemical-, thermal- and mechanical resistance, suitable for rough operation conditions.

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