Heat transfer area in convention finned tube per running meter is 7.3 Sq. ft. while in crimped finned tube area is 9.13 sq.ft. per running meter Pressure loss of air in oval type finned tube and our crimped type finned tube is almost same because of helix construction Lower carbon content tubes allows better welding, compare to ordinary pipes. Copper aluminum finned tubes is the best in performance but cost is not viable. Temperature gradient is reduced in angular direction and hence square, oval or other shape is not efficient. Only our Finned Tube is the best in heat transfer lower in pressure drop and lower in cost. Our tube surface is smooth inside, gives low pressure drop on oil side, compare to ordinary pipe./p>

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