inner grooved copper tube

Detailed description: 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. Applications: Air cinditioners, combinations type air conditioning units, central air conditioners, display cabinets, etec. 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: ODmmTWBottom wall thicknessmmHfaddendum heightmmTWTtotal wall thicknessmmAddendum angleα/°helix angleβ/°ridge number3 160.20 0.750.10 0.300.30 1.0510 1000 5030 100 Nominal dimension of tubes with ordinary ridge pattern No.SizeDODdIDTWbottom wall thicknessHfaddendum heightTWT total wall thicknessAddendum angleα /°helix angleβ/°ridge number n/1Φ5.00×0.20+0.14-40-185.004.320.200.140.344018382Φ6.35(1/4'')×0.26+0.20-40-106.355.430.260.200.464010553Φ7.00×0.27+0.15-53-187.006.160.270.150.425318604Φ7.00×0.25+0.18-40-187.006.140.250.180.434018505Φ7.00×0.25+0.22-22-167.006.060.250.220.47221654 No.SizeDODdIDTWbottom wall thicknessHfaddendum heightTWT total wall thicknessAddendum angleα /°helix angleβ/°ridge number n/6Φ9.52(3/8'')×0.28+0.15-53-18 9.528.660.280.150.435318607Φ9.52(3/8'')×0.30+0.20-53-189.528.520.300.200.508Φ9.52(3/8'')×0.27+0.16-30-189.528.660.270.160.433018709Φ12.70(1/2'')×0.41+0.25-53-1812.7011.380.410.250.6653186010Φ15.88(5/8'')×0.52+0.30-53-1815.8814.240.520.300.82531874 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