air conditioner connecting copper pipe from ningbo hengxing air conditioner fittings

1. air conditioner copper pipe 2. copper 3. for air conditoner

Connecting pipes for air conditioner parts

Test                                  Onside of insulator Inside of insulator 

Tensile Strength(( N/mm[kg/cm2])      31.5×10[3.2]           29.5×10[3.0]

Elongation                            70%                 100%

Compression strain  (%(25%))             3.4                   6 

Water-absorbing capacity (G/m2)          0.003                    0.008

Conductivity factor   

W/(m·k)[kcal/m2h°C]                                             0.038[0.033]

Temperature of heat resisting °C           -40°to 125°           -40°to 115°

copper connection pipes 

1/4+3/8(6.35+9.52) 

1/4+1/2(6.35+12.7)3/8+5/8(9.52+15.88)

3/8+3/4(9.52+19.05)

1/2+3/4(12.7+19.05)

 

air conditioner connecting copper pipe from ningbo hengxing air conditioner fittings