1.1/4" - 3/8"
Our pre-insulated copper tubes are meticulously crafted to elevate your HVAC system's performance. Designed for superior air conditioning efficiency, these high-quality copper pipes are essential for any HVAC parts.The outer dimensions are versatile, available in both inch (1/4" - 3/8") and metric (6.35mm - 9.52mm), ensuring compatibility with a wide range of systems.
2. Constructed from 99.9% pure copper, our pipes adhere to the rigorous standards of ASTM B280 and C12200, guaranteeing exceptional quality and unmatched reliability.
3. Our AC copper pipes are available in multiple sizes including 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", and 1 1/8", with length options of 15m, 20m, 25m, 30m, and 50m, providing flexibility for various installation needs.
4. Featuring 1/2" polypropylene insulation, which is UV resistant and complies with ASTM E 84, UL94, ASTM D1056, and ASTM G 21 standards. This robust insulation is capable of enduring temperatures ranging from -40ºC to 120ºC.
5. Perfectly suited for a plethora of air conditioning and refrigeration applications, our pipes are ideal for ductless mini-splits, heat pumps, and centralized air ducted units, ensuring optimal performance.
6.
Pressure Rating: Our pipes boast an impressive pressure handling capacity of 2100 to 7000 PSI, significantly surpassing the 700 PSI requirement for R410 systems.
7. We take pride in producing our own insulation, offering the option for custom printing with your company name, size, and meter specifications.
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 |
Our Copper Line Sets are available in lengths ranging from 1ft to 50ft, with both ends designed for easy flaring and equipped with nuts, facilitating seamless installation.





Changzhou DABUND Pipe Co., Ltd. is a renowned manufacturer in the HVAC industry, providing all-inclusive air conditioner installation pipe kits, featuring premium insulated copper pipes. We also offer white embossed PE insulation and aluminum pipes, all designed to drive cost efficiency for our clients. Embracing a scientific and innovative approach, our air conditioner connecting pipes are now prevalent in various international markets. We aim to be your one-stop-shop for HVAC & R parts, ranging from air conditioner brackets and ducts to rubber insulation and drain hoses. Our products are proudly exported to markets including the USA, Canada, and Germany. Our management philosophy, 'Growing with clients,' underscores our commitment to collaboration, inviting inquiries and ensuring a fruitful partnership ahead.
Quality is our unwavering priority, as we believe the market is the ultimate arbiter of an enterprise's vitality. We warmly welcome customers and friends from around the world to join us. We eagerly anticipate your inquiries and are dedicated to delivering the unparalleled experience that only Dabund can offer. Choose DABUND, Choose Excellence.
1. Q: What are your payment terms for air conditioning copper pipes for HVAC Parts?
A: We offer flexible payment options including TT, L/C at sight, Credit Card, among others.
2.
Q: Can I request a sample?
A: Absolutely! We are delighted to provide you with a free sample. You just need to cover the shipping costs.
3.
Q: What are the lead times for samples and production?
A: * Existing samples: ready within 2 days;
* Customized samples: available in 5-7 days;
* Production time: typically 15-20 days.
4.
Q: Can I have my logo printed?
A: Certainly! We provide comprehensive OEM and ODM services.
5.
Q: What is your standard delivery time?
A: Our standard delivery time is usually 15-20 days. For urgent requests, please notify us in advance.
6.
Q: What products do you offer?
A: We specialize in air conditioner installation pipes, copper line sets, line set covers, and a variety of other premium HVAC parts.
7.
Q: Are you a trading company or a manufacturer?
A: We are a leading manufacturer.