Extruded fin tubes ( finned tubes )
fin type: extruded fin tubes and many special sizes extruded fin tubes ( finned tubes ). extruded fin tubes ( finned tubes ) has the advantages of high efficiency, strong corrosion resistant and long life as the International, technologically advanced heat transfer element. The base tubes (pipes) (core tube) of double extruded fin tubes can be SS, CS, corrosion resistant steel, copper and copper alloys, Ti and Ti alloys and the other materials. The base tubes (pipes) (core tube) of single extruded fin tubes can be copper, Nickel-copper, Aluminum and the other materials. These products are widely used in petroleum, chemical, metallurgy, textile, mechanical and electrical, light industry and pharmaceutical industries in the heating, drying, condensation and cooling equipments. Applications and characteristics
Working temperature ≤**0°C
working pressure ≤*2MPa
High heat transfer performance, same with KL type (Knurled "L"). Good fins stiffness, against deformation high atmospheric corrosion resistance for long term stable usage.

TECHNIFIN TYPE HY
A smooth core tubes (pipes) is inserted into an aluminum tubes (pipes) and then fins are
extrudes out of the aluminum tube. Advantages: Bond ot outer and inner tube
removes the risk of loss of contact due to thermal stress, fins are more rigid,
also available as serrated type TECHNIFIN HYS see below.
TECHNIFIN TYPE HYS
As per type HY, but fins are serrated. Advantages: Higher heat transfer coefficient,
for same pressure drop compared with HY fin.