Type: Copper tube and aluminum fin
Advantage:
1. designed to deliver their respective duties at optimum performance at all design conditions.
2. Coils are manufactured from seamless copper tubes mechanically expanded into aluminum fins.
3. All coils are tested (under water to avoid leakage) at 30kg/cm2 (450 Psi) air pressure..
4. They also undergo cleaning after manufacturing for optimum system cleanness.