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- Contact Person : Mr. pan shuli
- Company Name : Shanghai Metal Forming Machine Co., Ltd.
- Tel : 0086-21-57842040
- Fax : 0086-21-57841819
- Address : Shanghai,shanghai,Building D,299 Tangming Road,Li ta hui,Songjiang district,Shanghai
- Country/Region : China
- Zip : 201617
Oval Tube forming machine ( tube making machine )
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Oval Tube forming machine(tube making machine)
| Main advantages of oval tube | ||||||||||||||
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| 1 produced by full-automatic, clean and dustless2 the leakage rate is extremely low. only 0.023 the lock seam is tight , the inner lock seam is smooth and leak less; the lock seam also has the reinforcement function4 the structure is of high intensity, good rigidity, avoiding second noises5 longer continuous length; good coherent in tube size, easy &convenient for noises6small occupying space in height , suitable for the buildings of insufficient layer height | ||||||||||||||
| Main technical data | ||||||||||||||
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| Compare between oval duct and rectangular duct | ||||||||||||||
| In same acreage, girth of rectangular is about 20% more than that of oval, e.g., rectangular needs more materials and so the cost is higher.1.resistanceMedia flows in oval duct is stable, vortex is not so easily occurred.When media flows in rectangular duct, resistance is high ;is easily occurred.2. Wet acreageAcreage of oval S=3.14×1/2×2×0.5×0.5=1m2Perimeter of oval=3.14×[1.5×(1+0.25)-(1×0.25)]=4mSection acreage of rectangles=2×0.5=1m2Girth of elipseL=(2+0.5) ×=5m |
Our company:Our main products:spiral tube forming machine,flexible duct forming machine,auto roof forming machine,riveting machine,Pittsburgh seam lock machine.Hydraulic section steel bending machine,metal sheet flange forming machine,TDF hydraulic folder,auto cutting to length line,pipe bending machine,FN seam welder,notching and shearing machine.
Our certificate:1.CE2.ISO901:2000
Please contant us at any time available for you,if you want for more details.
Add:Building D,299 Tangming Road,Lita Hui,Songjiang District,Shanghai,China Fax:+86-21-57841819Tel:+86-21-57842040Phone:+86-13817091187
Oval Tube forming machine ( tube making machine )
