Materials 

a) Tube Materials Diameter  Wall Thickness Type
inches mm SWG mm
Seamless ACR Copper
for water, refrigerant
and steam coils
3/8 9.525 22-31 0.71-0.30 Plain/Grooved
1/2 12.7 18-27 1.22-0.41 Plain
5/8 15.875 18-27 1.22-0.41 Plain

 

b) Fin Materials Thickness (mm)
Aluminum 0.110-0.210
Copper 0.110-0.120

 

c) Mounting Frame & Casing                       Thickness (mm)                 
Hot-Dip (standard) Galvanized Steel 0.50-2.0
304 stainless steel 1.25
Aluminium 1.50-2.0
Copper 1.00-3.0

 

d) Brazing       Percentage              
Solder 0%-25%
e)Protective Coatings Polyester
f)Testing Pressure Nitrogen 20-35 bar

Patterns Available

a) 3/8 Inches Dia
Option A Option B
MM Inches MM Inches
Row Pitch 22 0.876 22 0.876
Face / Step Pitch 25.4 1 25.4 1
FPI Available 10-22 4-8
Fin Type Wave / Flat / Corrugated / Slit

 

b) 1/2 Inches Dia
Option A Option B
MM Inches MM Inches
Row pitch 31.62 1.25 27.48 1.082
Face / Step Pitch 36.51 1.4375 31.75 1.25
FPI Available 8-18 4-9
Fin Type Wave / Flat / Corrugated / Slit

 

c) 5/8 Inches Dia
Option A
MM Inches
Row pitch 31.62 1.25
Face / Step Pitch 36.51 1.4375
FPI Available 8-18
Fin Type Wave / Flat / Corrugated
Manufacturing 1
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