1.1/4"-3/8"
Premium Air Conditioning Copper Pipes for HVAC ComponentsThese dimensions are specified in inches. For metric measurements, the outer dimensions range from 6.35mm to 9.52mm.
2. Our pipes are meticulously crafted from 99.9% pure copper, adhering strictly to ASTM B280 and C12200 standards, ensuring unmatched quality.
3. Available AC Copper Sizes: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1 1/8". Length options include: 15m, 20m, 25m, 30m, and 50m.
4. The insulation is made of 1/2" polypropylene that is UV resistant and complies with ASTM E 84, UL94, ASTM D1056, and ASTM G 21 standards. It operates efficiently in temperatures ranging from -40ºC to 120ºC.
5. Perfect for all Air Conditioning & Refrigeration Applications, including ductless mini-split systems, heat pumps, and centralized air-ducted units.
6.
Pressure Rating: 2100 to 7000 PSI-far exceeding the required 700 PSI for R410 refrigerant.
7. Customizable insulation produced in-house to include your company name, size, meters, and other 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 |
1ft-50ft Copper Line Set: Both ends of the copper pipe can be flared and equipped with nuts for ease of installation.





Changzhou DABUND Pipe Co., Ltd. is a distinguished manufacturer specializing in HVAC components and air conditioner installation pipe kits, including insulated copper pipes. We also produce white embossed PE insulation and aluminum pipes in-house to reduce costs for our customers. Adhering to a scientifically progressive concept of rapid introduction, our air conditioner connecting pipes are widely exported. As a ONE-STOP shop for HVAC & R parts, we offer 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 more. Our core management philosophy is 'Growing with clients'.
With an unwavering commitment to 'Quality First,' we believe that the market serves as the ultimate test of an enterprise's vitality. We warmly welcome customers and friends from around the globe to collaborate with us and eagerly await your inquiries. Experience DABUND, experience excellence.
1. Q: What are your payment terms for air conditioning copper pipes in HVAC parts?
A: We accept TT, L/C at sight, credit card, and many other payment methods.
2.
Q: Can I get a sample?
A: Absolutely! We can send you a free sample. You only need to cover the express shipping cost.
3.
Q: What are the sample and production times?
A: * Existing sample: 2 days;
* Customized sample: 5-7 days;
* Production time: 15-20 days.
4.
Q: Can I print my logo on the product?
A: Yes, of course! We welcome both OEM and ODM projects.
5.
Q: What is your typical delivery time?
A: Our usual delivery time is 15-20 days. If you have urgent needs, please let us know in advance.
6.
Q: What products can I buy from you?
A: We offer air conditioner installation pipes, copper line sets, line set covers, and other HVAC parts.
7.
Q: Are you a trading company or a manufacturer?
A: We are a manufacturer.