Manufacturing Capabilities

Material Prepare

Tube Type:

Copper, Stainless Steel.

Tube Size:

Ø7, Ø9.52, Ø12.7, Ø15.88. Copper tube open material size, positive and negative tolerances should be in line with GBT1804-C level.

Sheet Metal Process

Can process various thicknesses of stainless steel, aluminum, galvanized sheet and other various plates.

Fin Producing

We have Mold Specification:

Ø7.0*12R*2P, Ø7.0*24R*2P, Ø9.52*12R*2P, Ø9.52*24R*2P, Ø12.7*12R*1P, Ø12.7*12R*2P, Ø12.7*24R*2P, Ø15.88*16R*2P, Ø15.88*24R*2P.

Fin Type:

Aluminum, Copper, Stainless Steel.

Tube-through

Thread the copper or stainless steel tube into the end plate in the direction of the flap holes according to the coil drawing and the corresponding tube connection method drawing.

Tube Expansion

We have two type tube expansion machine:

Vertical Expansion Machine and Horizontal Expansion Machine.

Tube Processing

Ensure that the internal and external surfaces of the pipe are clean, and there shall be no oxidized film, copper chips, oil spots, etc. The pipe shall be of uniform texture, and there shall be no defects affecting the use, such as cracks, abrasions, skinning, slagging, rough pulling paths and pits.

Welding

Qualified Welders.

Welding Type:

Electrowelding, Oxygen Welding, Argon Arc Welding, Nitrogen Shielded Welding.

Leak Test

Leak detection pressure:

surface cooler pressure is 3.00±0.05MPa; Evaporator, Condenser pressure is 4.5±0.05MPa. Time is 10-30 minutes.

Finished Product

Before delivery, Quality inspection of the product inspection qualified, affixed with a qualified label before shipment.