Finned tubes are the main components of heat exchangers. They are a series of tubes where fins have been added on the outside to increase the contact area with the outside fluid, to exchange heat and between the fluid inside the tube and the fluid outside the tube.

Nowadays, when people buy finned tubes, more and more of them are pursuing simple, beautiful and colorful shapes. But such is easy to have bad quality problems, such as leakage, heat dissipation is not up to standard, size is not qualified, short life, etc. Therefore, consumers must pay attention to the following six points when buying and selling:

1.The quality of qualified finned tube, the logo is very full. The label will be marked in detail unit weight, heat dissipation, the pressure, heating area, etc., should pay attention to check when buying.

2.Focus on checking the quality of its welding joints, touch the surface with your hands to determine whether it is smooth.

3.Weighing its weight. This is the easiest way to determine whether the thickness of the finned tube sheet is up to standard and whether the manufacturer has cut corners.

4.For its diversity of materials and styles, consumers should choose according to their needs and heating situation.

5.Whether there is a purchase contract, whether the contract has a test pressure (pressure test) and warranty-related commitments.

6.The purchase of finned tubes at the same time, try to buy their heating renovation services, to avoid the loss caused by letting their own workers install the problem of both sides tug of war responsibility unknown.