- Contact Person : Mr. OU SHUZHI
- Company Name : Chongqing Longyu Precise Copper Tube Co., Ltd.
- Tel : 0086-023-47262300
- Fax : 0086-023-47262358
- Address : Chongqing,Chongqing,No.88, Shuangfu Road, Shuangfu Industry Park, Jiangjin District, Chongqing, China
- Country/Region : China
- Zip : 402247
inner grooved copper tube
Detailed description:
1)Features:
Various types of dental patterns is produced to meet different customers’ need. It is of high-precision and efficiency. Compared with a plain copper tube, its heat transfer coefficient can be 2.5-4 times as that of it.
2)Applications:
Air cinditioners, combinations type air conditioning units, central air conditioners, display cabinets, etec.
3)Standards applied: GB; ASTM; JIS
Range of Outer Diameters: 5.00mm-15.88mm
Range of Bottom Wall Thickness: 0.20mm-0.52mm
Range of Addendum Height: 0.14mm-0.30mm
Specifications:
OD mm | TW Bottom wall thickness mm | Hf addendum height mm | TWT total wall thickness mm |
Addendum angle α/° |
helix angle β/° |
ridge number |
3~16 | 0.20~0.75 | 0.10~0.30 | 0.30~1.05 | 10~100 | 0~50 | 30~100 |
Nominal dimension of tubes with ordinary ridge pattern
No. |
Size | D OD | d ID | TW bottom wall thickness | Hf addendum height | TWT total wall thickness | Addendum angle α /° | helix angle β/° | ridge number n/ |
1 | Φ5.00×0.20+0.14-40-18 | 5.00 | 4.32 | 0.20 | 0.14 | 0.34 | 40 | 18 | 38 |
2 | Φ6.35(1/4'')×0.26+0.20-40-10 | 6.35 | 5.43 | 0.26 | 0.20 | 0.46 | 40 | 10 | 55 |
3 | Φ7.00×0.27+0.15-53-18 | 7.00 | 6.16 | 0.27 | 0.15 | 0.42 | 53 | 18 | 60 |
4 | Φ7.00×0.25+0.18-40-18 | 7.00 | 6.14 | 0.25 | 0.18 | 0.43 | 40 | 18 | 50 |
5 | Φ7.00×0.25+0.22-22-16 | 7.00 | 6.06 | 0.25 | 0.22 | 0.47 | 22 | 16 | 54 |
No. |
Size | D OD | d ID | TW bottom wall thickness | Hf addendum height | TWT total wall thickness | Addendum angle α /° | helix angle β/° | ridge number n/ |
6 | Φ9.52(3/8'')×0.28+0.15-53-18 | 9.52 | 8.66 | 0.28 | 0.15 | 0.43 | 53 | 18 | 60 |
7 | Φ9.52(3/8'')×0.30+0.20-53-18 | 9.52 | 8.52 | 0.30 | 0.20 | 0.50 | |||
8 | Φ9.52(3/8'')×0.27+0.16-30-18 | 9.52 | 8.66 | 0.27 | 0.16 | 0.43 | 30 | 18 | 70 |
9 | Φ12.70(1/2'')×0.41+0.25-53-18 | 12.70 | 11.38 | 0.41 | 0.25 | 0.66 | 53 | 18 | 60 |
10 | Φ15.88(5/8'')×0.52+0.30-53-18 | 15.88 | 14.24 | 0.52 | 0.30 | 0.82 | 53 | 18 | 74 |
Note: The above datas are based on the normal size, and are for reference only. For special specs, we may make according to customers' special requirements
inner grooved copper tube
