Dong-A’s stainless steel corrugated tubes, which is approved by UL(USA), RWTUV(Germany) and is certified as quality products with NET, KS(KSD3628) by the Korean government, are supplied in a roll up to 1,200m and used for water piping system inside buildings. The corrugation pitch is slightly wider to reduce the fluid resistance and thus generate no vibration or noise. It connects with screw-in-field type of fitting with cone packing (NBR, E.P.D.M, Silicon, Graphite).
Helical type fitting (Cone type packing)
For solar heating system, heat-exchanger & drinking water
- Cross-cut drawing
- Component & Material
Fitting Assembly Guidelines