1. **1/4"-3/8"**
Discover the unparalleled quality of our Premium Air Conditioning Copper Pipes, meticulously crafted for HVAC Parts.The superior outer dimensions are: **1/4"-3/8"** in inches and **6.35mm - 9.52mm** in metric units, ensuring precise compatibility.
2. Engineered from 99.9% pure copper, our pipes meet the rigorous ASTM B280 and C12200 standards, exemplifying excellence.
3. Explore our diverse range of AC copper pipes available in sizes: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", and 1 1/8", with lengths of: 15m, 20m, 25m, 30m, and 50m to suit all your needs.
4. Our insulation, crafted from 1/2" Polypropylene and UV resistant material, adheres to ASTM E 84, UL94, ASTM D1056, and ASTM G 21 standards, performing efficiently between -40ºC to 120ºC.
5. Perfect for all Air Conditioning & Refrigeration applications including Ductless mini-split systems, heat pumps, and Centralized Air Ducted Units.
6.
Our pipes exhibit an impressive pressure rating between 2100 to 7000 PSI, significantly surpassing the 700 PSI required for R410 systems.
7. Our in-house produced insulation can be customized with your company name, size, and meters, tailored to your specifications.
Comprehensive 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 |
Available in versatile lengths from 1ft to 50ft, our copper line sets come with both ends flared and nuts included for easy installation.





Changzhou DABUND Pipe Co., Ltd. is renowned as a premier manufacturer specializing in HVAC parts and air conditioner installation pipe kits. Our extensive range includes insulated copper pipes and all-inclusive installation kits. We manufacture white embossed PE insulation and aluminum pipes in-house, offering significant cost savings to our clients. With our innovative approach, our air conditioner connecting pipes are highly sought after in various international markets. We aim to be your ultimate ONE-STOP shop for HVAC & R parts, including Air Conditioner Brackets, Ducts, Rubber Insulation, Drain Hoses, Pumps, and Bases for external units. Our products are exported to numerous countries including the USA, Canada, Germany, and many more. Our core philosophy is "Growing with clients."
Quality is our top priority, as we believe that the marketplace is the true testament to our company's vitality. We warmly invite customers and friends from around the globe to collaborate with us. We eagerly await your inquiries. Experience DABUND, Experience Life.
1. Q: Can you explain the payment terms for your air conditioning copper pipes used in HVAC systems?
A: We offer flexible payment options including T/T, L/C at sight, and even credit card payments for your convenience.
2.
Q: Is it possible to receive a sample of your product?
A: Absolutely! We are delighted to provide a complimentary sample. You will only need to handle the express shipping costs.
3.
Q: What are your timelines for sample delivery and full production?
A: * Existing samples: Dispatched within 2 days;
* Customized samples: Ready in 5-7 days;
* Full production: Completed within 15-20 days.
4.
Q: Is it possible to have my logo printed on the product?
A: Certainly, we welcome both OEM and ODM orders to meet your branding needs.
5.
Q: What is the typical delivery time for your products?
A: Our standard delivery time is 15-20 days. If you have an urgent requirement, kindly inform us in advance.
6.
Q: What types of products do you offer for purchase?
A: We provide a range of products including air conditioner installation pipes, air conditioner copper line sets, air conditioner line set covers, and a variety of other HVAC parts.
7.
Q: Are you a trading company or a manufacturer?
A: We are a reputable manufacturer.