Model NO.: M-022
Size: 1/2"+1/4 5m
Nut: Copper
Insulation Colour: White
Aluminium Model: 1060
Accessory: According to Customer′s Purpose
Trademark: Retek&Bestar
Transport Package: Seaworthy Cartons or According Customer′s Purpose
Specification: 1/2"+1/4"
Origin: China
HS Code: 8415
Model NO.: M-022
Size: 1/2"+1/4 5m
Nut: Copper
Insulation Colour: White
Aluminium Model: 1060
Accessory: According to Customer′s Purpose
Trademark: Retek&Bestar
Transport Package: Seaworthy Cartons or According Customer′s Purpose
Specification: 1/2"+1/4"
Origin: China
HS Code: 8415
1)it is used for connecting the indoor and outdoor air conditioner
2). It can instead of copper connecting pipe
If you have more quantity ,we have disocunts for you 
Product advantage: It can instead of 100% air conditioner copper connecting tube
1)A long life: The outer surface of copper-aluminum connecting pipe with a cross-linked polyethylene (hot pipe) so antiseptic treatment to ensure the separation of water and moist air on the corrosion of aluminum tubes, life is more than 20 years.
2) low cost anti-oxidation: Copper-aluminum connecting pipe ends and the valve does not exist contact oxidation corrosion and so easy to produce quality risk, copper and aluminum pipe to connect both ends of the brass, to avoid the occurrence of this problem and achieve a lower cost purpose; Because it is cold take technology to complete, so also there is no other way of heat or other solution exists to complete the connection prone to electrochemical corrosion of solder joints, leading to leakage of tube wear eye.
3)high cleanliness: As between copper and aluminum pipe without welding, but by cold access connection, to avoid all the high-temperature welding caused by the surface oxide production, so do not need any treatment can achieve cooling pipe The cleaning requirements.
4)good insulation properties: Air conditioning is needed to connect pipe insulation, and to improve the air conditioner's energy efficiency, should further improve the connection pipe insulation performance. The thermal conductivity of copper is 1.8 times of aluminum, together with the outer layer for corrosion prevention and control cross-linked polyethylene pipe insulation effect, so a copper-aluminum connecting pipe will help connect pipe insulation, reducing the cold waste, improve the energy efficiency level.
5)safety performance: Copper-aluminum connecting pipe bursting pressure and allow the copper connecting pipe burst pressure to allow the same design pressure are 13.0Mpa, 13.0Mpa is the air pipe system 3 times the maximum working pressure, so the use of copper and aluminum connecting pipe will not be any wounding event.
6, )bending excellent performance, easy to install, move machine: Aluminum than brass soft, copper-aluminum connecting pipe copper tube design is 1.5 times the wall thickness, not only to ensure strength and relative connecting copper pipe is easier to install and transfer machines.

For more information, pls contact us freely.
Thanks and best regards,
specificaton
 
diameter 
of copper tube
 
diameter 
of insulation
 tube
 
wall thickness 
of insulation tube
 
appearance
 
1/4"
 
6.35mm
 
φ8(±0.5)
 
8mm
 

Double embossed film
 
3/8"
 
9.52mm
 

φ12(±0.5)
 

8mm
 

Double embossed film
 
1/2"
 
12.7mm
 
φ14(±0.5)
 
8mm
 

Double embossed film
 
5/8"
 
15.88mm
 
φ18(±0.5)
 
8mm
 

Double embossed film
 
3/4"
 
19.06mm
 
φ22(±0.5)
 
8mm
 

Double embossed film
 
7/8"
 
22.22mm
 
φ25(±0.5)
 
8mm
 

Double embossed film
 
1)it is used for connecting the indoor and outdoor air conditioner
2). It can instead of copper connecting pipe
If you have more quantity ,we have disocunts for you 
Product advantage: It can instead of 100% air conditioner copper connecting tube
1)A long life: The outer surface of copper-aluminum connecting pipe with a cross-linked polyethylene (hot pipe) so antiseptic treatment to ensure the separation of water and moist air on the corrosion of aluminum tubes, life is more than 20 years.
2) low cost anti-oxidation: Copper-aluminum connecting pipe ends and the valve does not exist contact oxidation corrosion and so easy to produce quality risk, copper and aluminum pipe to connect both ends of the brass, to avoid the occurrence of this problem and achieve a lower cost purpose; Because it is cold take technology to complete, so also there is no other way of heat or other solution exists to complete the connection prone to electrochemical corrosion of solder joints, leading to leakage of tube wear eye.
3)high cleanliness: As between copper and aluminum pipe without welding, but by cold access connection, to avoid all the high-temperature welding caused by the surface oxide production, so do not need any treatment can achieve cooling pipe The cleaning requirements.
4)good insulation properties: Air conditioning is needed to connect pipe insulation, and to improve the air conditioner's energy efficiency, should further improve the connection pipe insulation performance. The thermal conductivity of copper is 1.8 times of aluminum, together with the outer layer for corrosion prevention and control cross-linked polyethylene pipe insulation effect, so a copper-aluminum connecting pipe will help connect pipe insulation, reducing the cold waste, improve the energy efficiency level.
5)safety performance: Copper-aluminum connecting pipe bursting pressure and allow the copper connecting pipe burst pressure to allow the same design pressure are 13.0Mpa, 13.0Mpa is the air pipe system 3 times the maximum working pressure, so the use of copper and aluminum connecting pipe will not be any wounding event.
6, )bending excellent performance, easy to install, move machine: Aluminum than brass soft, copper-aluminum connecting pipe copper tube design is 1.5 times the wall thickness, not only to ensure strength and relative connecting copper pipe is easier to install and transfer machines.

For more information, pls contact us freely.
Thanks and best regards,
specificaton
 
diameter 
of copper tube
 
diameter 
of insulation
 tube
 
wall thickness 
of insulation tube
 
appearance
 
1/4"
 
6.35mm
 
φ8(±0.5)
 
8mm
 

Double embossed film
 
3/8"
 
9.52mm
 

φ12(±0.5)
 

8mm
 

Double embossed film
 
1/2"
 
12.7mm
 
φ14(±0.5)
 
8mm
 

Double embossed film
 
5/8"
 
15.88mm
 
φ18(±0.5)
 
8mm
 

Double embossed film
 
3/4"
 
19.06mm
 
φ22(±0.5)
 
8mm
 

Double embossed film
 
7/8"
 
22.22mm
 
φ25(±0.5)
 
8mm
 

Double embossed film
 

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