Raw Material

1)Rolling welded steel tube : OutDiameter 8mm , Wall Thickness 0.6-0.7mm;

2)Low carbon steel wire O.D.1.4-1.5mm ;

3)Bracket:Steel Plate (SPCC),thickness 0.6-0.8mm;

Structure

1)Evaporator for single temperature control system (single capillary evaporator) ;

2)Evaporator for double temperature control system (double capillary evaporator) ;

3)Evaporator for three way temperture control system (three capillary evaporator) ;

Key Process

Tube bending, Tube welding, Mono shelf assemble, Assembly welding, Leakage testing,

Coating, Inspection, Package

Technical Ability

1)The distance of steel wire ≥6mm;

2)Produce according to the drawing or sample supplied by clients;

Performance

1)Surface treated with powder painting or dip coating to prevent the corrosion

2)Inner cleanness can meet the requirement of R134a &CFC cooling system;

3)Can satisfy the cooling capability requirements;

4)Producing Capacity: 2000 Set/Day;

R134a Cooling System Tube Inside Standards

Residual Moisture

≤20 mg/m2

Residual Impurity

≤30 mg/m2

Residual Mineral Oil

≤7 mg/m2

Residual Chlorine

≤0.3 mg/m2

Residual Paraffin

≤0.2 mg/m2

Specification of Coating

Coating Thickness

Thickness of  coating 30-100um

Harness of Coating

≥2H

Impact of Coating

50 cmkg/cm impact, no crack

Adhesion of coating

≥ two grade

Flexbility of Coating

Around R=3D bend 180°,no crack or no fall off

Color tolerance of Power Painting

E ≤ 1.5