Through our experience in servicing various clients in the replacement of full economizer units SAC has acquired the skill and technological know-how to manufacture and supply a wide range of Economiser Coils and loosely supplied Finned Tubes. SAC’s fully automated and very speedy fin welding machine is capable of producing various types of finned tubes including Steel H (pairs of parallel shaped steel fins are resistance welded to the single pressure tube) and Double H (pairs of parallel shaped steel fins are resistance welded onto two tubes at the same time).