- ANJI HENGSHENG THERMAL MACHINERY CO., LTD
- Contacter：WANG Lan-fang
- Mobile-Phone： 13757279988
- Fax：0572 - 5666673
- Phone：0572 - 5666675
- Email：http://www.aaoou.com.cn
- Address：Anji County in Zhejiang Province Sanguan Industrial Park
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High Efficiency Finned Tube
 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 patch
De----Equivalent diameter of finned tube
L------Plain tube end length
High efficiency finned tube |
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1).The finned tubes are widely used as heat transfer tubes because of their large external surface area and high heat transfer performance compared with a plain tube.
2).The fins and tube are completely integrated, so the heat transfer performance, durability and resistance to vibrations are excellent.
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Plain tube mm
D×t |
Finned section diemetion mm |
Ratio
η
|
De
mm |
| Tp |
dd |
dr |
di |
| 19×2 |
0.8 |
18.8 |
17 |
134. |
2.80 |
17.9 |
| 19×2 |
1.0 |
18.8 |
16.8 |
13.4 |
2.50 |
17.8 |
| 19×2 |
1.25 |
18.8 |
16.6 |
13.0 |
2.20 |
17.8 |
| 19×2 |
1.5 |
18.8 |
16.6 |
13.0 |
2.00 |
17.7 |
| 19×2 |
2.0 |
18.8 |
16.4 |
13.0 |
1.70 |
17.5 |
| 25×2.5 |
0.8 |
24.8 |
23.0 |
18.8 |
2.80 |
23.9 |
| 25×2.5 |
1.00 |
24.8 |
22.6 |
18.8 |
2.75 |
23.7 |
| 25×2.5 |
1.25 |
24.8 |
22.3 |
18.0 |
2.50 |
23.6 |
| 25×2.5 |
1.50 |
24.8 |
22.3 |
18.0 |
2.20 |
23.5 |
| 25×2.5 |
2.0 |
24.8 |
22.0 |
18.0 |
1.80 |
23.4 |
| 25×2.5 |
2.50 |
24.8 |
22.0 |
18.0 |
1.60 |
23.3 |
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