Messingstreifen

Brass strip 1) High efficiency, energy saving healthy 2) the inside surface area increases 70 100% than plain copper tube SpecificationsUnit weightO.DI.DBottom Wall Thickness TWFin Groove Depth HFTotal Wall ThicknessApex AngleHelix AngleNumber of ToothΦ5.00×0.20+0.15-18°335.004.300.20.150.35401840Φ7.00×0.25+0.10-15°527.006.300.250.100.35401565Φ7.00×0.25+0.18-18°577.006.140.250.180.43401850Φ7.00×0.25+0.22-16°587.006.060.250.220.47221654Φ7.00×0.27+0.15-18°607.006.160.270.150.42531860Φ7.94×0.25+0.18-18°657.947.080.250.180.43401850Φ7.94×0.25+0.20-18°667.947.040.250.200.45401850Φ7.94×0.26+0.17-18°667.947.080.260.170.43401850Φ7.94×0.28+0.20-18°727.946.980.280.200.48401850Φ7.94×0.30+0.20-18°767.946.940.30.200.50401850Φ9.52×0.27+0.16-18°829.528.660.270.160.43301870Φ9.52×0.28+0.12-15°809.528.720.280.120.40531565