Our 1.1/4"-3/8" copper tube coil, tailored for split air conditioners, boasts an outer dimension in inches. For those who prefer metrics, it spans an outer dimension range of 6.35mm to 9.52mm.
Crafted from 99.9% pure copper, our pipe meets the stringent ASTM B280 and C12200 standards, ensuring unparalleled quality and reliability.
We offer a versatile range of AC copper sizes including 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", and 1 1/8". Lengths are customizable to 15m, 20m, 25m, 30m, and 50m to meet diverse needs.
Our insulation, made from 1/2" Polypropylene, is UV resistant and meets ASTM E 84, UL94, ASTM D1056, and ASTM G 21 standards. It operates efficiently within a temperature range of -40ºC to 120ºC.
Designed to excel in every air conditioning and refrigeration application, our product is perfect for ductless mini-split systems, heat pumps, and centralized air ducted units.
6.
Boasting a pressure rating from 2100 to 7000 PSI, our copper tube far exceeds the 700 PSI requirement for R410, ensuring robust performance.
Our self-produced insulation allows for customization, including printing your company name, size, meters, and more.
Size List
Size |
Copper Pipe |
Thickness Insulation Size |
Length Available |
Flame Resistant |
1/4+3/8 |
6.35x0.75+9.52x0.8mm |
3/8"/1/2"/3/4"/1" |
1ft - 164ft |
M1/B1 |
1/4+1/2 |
6.35x0.75+12.7x0.8mm |
3/8"/1/2"/3/4"/1" |
1ft - 164ft |
M1/B1 |
1/4+5/8 |
6.35x0.75+15.88x0.9mm |
3/8"/1/2"/3/4"/1" |
1ft - 164ft |
M1/B1 |
3/8+5/8 |
9.52x0.8+15.88x0.9mm |
3/8"/1/2"/3/4"/1" |
1ft - 164ft |
M1/B1 |
3/8+3/4 |
9.52x0.8+19.05x0.9mm |
3/8"/1/2"/3/4"/1" |
1ft - 164ft |
M1/B1 |
1/2+3/4 |
12.7x0.8+19.05x0.9mm |
3/8"/1/2"/3/4"/1" |
1ft - 164ft |
M1/B1 |
3/8+7/8 |
9.52x0.8+22.22x1.14mm |
3/8"/1/2"/3/4"/1" |
1ft - 164ft |
M1/B1 |
We provide 1ft-50ft copper line sets, with both ends of the copper pipe capable of flaring and fitting with nuts.








Changzhou DABUND Pipe Co., Ltd. excels as a premier manufacturer of HVAC parts and air conditioner installation pipe kits, including insulated copper pipes. We produce our own white embossed PE insulation and aluminum pipes, offering cost savings for our customers. With a forward-thinking and scientific approach, we have expanded our air conditioner connecting pipes to numerous overseas markets. We aim to be your ONE-STOP source for all HVAC & R parts, such as Air Conditioner Brackets, Ducts, Rubber Insulation, Drain Hoses, Pumps, and Bases for external units. Our products reach markets in the USA, Canada, Germany, and beyond. Guided by our philosophy of 'Growing with clients,' we strive to meet and exceed client expectations consistently.
Quality is our top priority, and we believe the market is the ultimate test of an enterprise's vitality. We warmly welcome customers and friends from around the globe to collaborate with us and look forward to your inquiries. Experience DABUND and elevate your lifestyle.
1. Q: What are your payment terms for the copper tube coil for split air conditioners?
A: We accept TT, L/C AT SIGHT, CREDIT CARD, and other major payment methods.
2.
Q: Can I receive a sample?
A: Certainly! We can send you a complimentary sample. You only need to cover the express shipping costs.
3.
Q: What is the lead time for samples and production?
A: * Existing sample: Ready in 2 days;
* Customized sample: Ready in 5-7 days;
* Production time: Typically 15-20 days.
4.
Q: Can I have my logo printed on the product?
A: Absolutely! We welcome both OEM and ODM projects.
5.
Q: What is your usual delivery time?
A: Generally, it takes 15-20 days. If you need it urgently, please notify us in advance.
6.
Q: What products can I purchase from Changzhou Dabund Pipe Co., Ltd.?
A: Our offerings include air conditioner installation pipes, air conditioner copper line sets, line set covers, and various other HVAC components.
7.
Q: Are you a trading company or a manufacturer?
A: We are a manufacturer.