DBJ-003
DABUND
Copper
1M - 10M
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Size | Length | Insulation White PE | Flame Resistant |
1/4+3/8 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/4+1/2 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/4+5/8 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
3/8+5/8 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
3/8+3/4 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/2+3/4 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
3/8+7/8 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
Factory insulation helps preserve refrigerant temperatures, reducing the system’s energy loss and improving overall HVAC efficiency.
Pre-insulated lines eliminate the added labor of field insulation wrapping, making installation faster and more consistent, particularly for professional HVAC technicians.
Whether your project is a home mini split installation or a ductless heat pump setup in a commercial space, this insulated copper tube set provides long-lasting performance and peace of mind.



1.Q:What is your payment terms?
A:TT,L/C AT SIGHT,CREDIT CARD etc
2.Q:What is your delivery terms?
A:EXW, FOB, CFR, CIF etc
3.Q:Are you trading company or manufacturer?
A:Manufacturer
4.Q:May I get a sample?
A:Yes, we can send you 3pieces free samples.
You just charge for the express cost is ok.
5.Q:Can I print my logo?
A:Yes of cause, we accept OEM and ODM.
6.Q:How long is your delivery time?
A:Usually 15-20days, if urgent, we can arrange to do in advance and delivery fast.
It describes the outer diameters of the two tubes: a 1/4″ liquid line for refrigerant feed and a 1/2″ suction line for refrigerant return — a common configuration for many mini split installations.
Yes — this product includes factory-applied insulation that helps minimize thermal loss and condensation without requiring field insulation wrapping in most installation scenarios.
Absolutely — the insulation jacket is UV-resistant and weather-durable, making it suitable for refrigerant line runs between indoor and outdoor units.
Yes — this insulated copper tube supports standard refrigerants including R410A and R32 when installed according to manufacturer guidelines and local building codes.


Size | Length | Insulation White PE | Flame Resistant |
1/4+3/8 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/4+1/2 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/4+5/8 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
3/8+5/8 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
3/8+3/4 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/2+3/4 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
3/8+7/8 | 3m/4m/5m/7m/10m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
Factory insulation helps preserve refrigerant temperatures, reducing the system’s energy loss and improving overall HVAC efficiency.
Pre-insulated lines eliminate the added labor of field insulation wrapping, making installation faster and more consistent, particularly for professional HVAC technicians.
Whether your project is a home mini split installation or a ductless heat pump setup in a commercial space, this insulated copper tube set provides long-lasting performance and peace of mind.



1.Q:What is your payment terms?
A:TT,L/C AT SIGHT,CREDIT CARD etc
2.Q:What is your delivery terms?
A:EXW, FOB, CFR, CIF etc
3.Q:Are you trading company or manufacturer?
A:Manufacturer
4.Q:May I get a sample?
A:Yes, we can send you 3pieces free samples.
You just charge for the express cost is ok.
5.Q:Can I print my logo?
A:Yes of cause, we accept OEM and ODM.
6.Q:How long is your delivery time?
A:Usually 15-20days, if urgent, we can arrange to do in advance and delivery fast.
It describes the outer diameters of the two tubes: a 1/4″ liquid line for refrigerant feed and a 1/2″ suction line for refrigerant return — a common configuration for many mini split installations.
Yes — this product includes factory-applied insulation that helps minimize thermal loss and condensation without requiring field insulation wrapping in most installation scenarios.
Absolutely — the insulation jacket is UV-resistant and weather-durable, making it suitable for refrigerant line runs between indoor and outdoor units.
Yes — this insulated copper tube supports standard refrigerants including R410A and R32 when installed according to manufacturer guidelines and local building codes.