1. The 1.1/4"-3/8" Twin Coil Insulated Copper Pipe features an outer dimension of 6.35mm - 9.52mm, offering precise and reliable measurements in both inches and metric units.
2. Crafted from 99.9% pure copper, our pipes conform to the highest standards, meeting both ASTM B280 and C12200 requirements for unmatched quality and performance.
3. Available in a variety of sizes, including 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", and 1 1/8", our copper pipes can be customized to lengths of 15m, 20m, 25m, 30m, and 50m to meet diverse needs.
4. Our insulation, made from 1/2" Polypropylene, is UV resistant and meets stringent standards such as ASTM E 84, UL94, ASTM D1056, and ASTM G 21. It operates efficiently in temperatures ranging from -40ºC to 120ºC.
5. Versatile and robust, our products are perfect for all air conditioning and refrigeration applications, including ductless mini-split systems, heat pumps, and centralized air ducted units.
6.
Pressure Rating: With a remarkable range of 2100 to 7000 PSI, our pipes far exceed the standard requirement of 700 PSI for R410 refrigerants, ensuring superior durability and safety.
7. We produce our own insulation, allowing for customization with 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 |
1ft-50ft Copper Line Set: Both ends of the copper pipes can be flared and fitted with nuts for enhanced connectivity and ease of use.
Changzhou DABUND Pipe Co., Ltd. is a pioneering manufacturer of HVAC parts and air conditioner installation pipe kits. Our offerings include insulated copper pipes and comprehensive air conditioner installation kits. We also produce white embossed PE insulation and aluminum pipes in-house, ensuring cost savings for our valued customers. With our scientific and progressive approach, our air conditioner connectivity solutions are now available in numerous international markets. We aim to be your ONE-STOP source for HVAC & R parts, including air conditioner brackets, ducts, rubber insulation, drain hoses, pumps, and bases for external units. Our products are exported to over ten countries, including the USA, Canada, and Germany. Adhering to our 'Growing with clients' philosophy, we remain committed to mutual growth.
Quality is our foremost priority. We believe that the market is the ultimate testament to a company's vitality. We welcome customers and friends from around the globe to collaborate with us. We eagerly anticipate your inquiries and invite you to experience excellence with DABUND. Enjoy DABUND, Enjoy Life.
1. Q: What are your payment terms for the Twin Coil Insulated Copper Pipe?
A: We accept TT, L/C at sight, credit card, and other payment methods.
2.
Q: Can I get a sample?
A: Absolutely! We can send you a free sample; you just need to cover the express shipping cost.
3.
Q: What are the sample time and production time?
A: * Existing sample: 2 days;
* Customized sample: 5-7 days;
* Production time: 15-20 days.
4.
Q: Can I print my logo on the products?
A: Yes, of course! We accept both OEM and ODM orders.
5.
Q: How long is your delivery time?
A: Typically, our delivery time is 15-20 days. If it's urgent, please inform us in advance.
6.
Q: What products do you offer for purchase?
A: We offer air conditioner installation pipes, air conditioner copper line sets, air conditioner line set covers, and other HVAC parts.
7.
Q: Are you a trading company or a manufacturer?
A: We are a manufacturer.