Product Description
Upgrade your air conditioning and refrigeration systems with high-quality AC Copper Pipes from Changzhou Dabund Pipe Co., Ltd. Our pipes are designed for various applications and offer the following key features:
- Out dimensions ranging from 1/4" to 3/8" in inches and 6.35mm to 9.52mm in metric
- 99.9% Pure copper pipe meeting ASTM B280 and C12200 standards
- Available sizes: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1 1/8" with lengths of 15m, 20m, 25m, 30m, and 50m
- Insulation made of 1/2" Polypropylene & UV Resistant, meeting ASTM E 84, UL94, ASTM D1056, and ASTM G 21 standards with a working temperature range from -40ºC to 120ºC
- Suitable for Ductless mini-split, heat pump, and Centralized Air Ducted Units
- Pressure Rating: 2100 to 7000 PSI, exceeding the required 700 PSI for R410
- Customizable insulation with the option to print your company name, size, and meters
Trust Changzhou Dabund Pipe Co., Ltd. for reliable and durable AC Copper Pipes that will enhance the performance of your air conditioning and refrigeration systems.
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 |
Product Description:
Introducing the 1-50ft Copper Line Set by Changzhou Dabund Pipe Co., Ltd. This line set comes equipped with flaring and nuts on both ends, making it perfect for HVAC systems.
- Attributes:
- Free Spare Parts
- 3 Years Warranty
- TUV, ISO9001, ROHS, SGS Certified







Welcome to Changzhou Dabund Pipe Co., Ltd.
Changzhou Dabund Pipe Co., Ltd. is a leading manufacturer specializing in HVAC parts, particularly air conditioner installation pipe kits. Our range includes insulated copper pipes and air conditioner installation pipe kits. We also produce white embossed PE insulation and aluminum pipes in-house to provide cost savings to our customers. With a focus on innovation, we have successfully expanded our air conditioner connecting pipe into numerous international markets.
As a ONE-STOP solution for HVAC & R parts, we offer a comprehensive range of products such as Air Conditioner Brackets, Air Conditioner Ducts, Rubber Insulation, Air Conditioner Drain Hoses, Air Conditioner Pumps, and Bases for air conditioning external units. Our products are exported to various countries including the United States, Canada, and Germany.
At Changzhou Dabund Pipe Co., Ltd., quality is our top priority. We believe in the importance of delivering high-quality products that meet market demands. We invite customers and partners from all over the world to collaborate with us and look forward to your inquiries. Experience the quality of DABUND and enhance your life.

Welcome to Changzhou Dabund Pipe Co., Ltd.
Discover high-quality HVAC parts tailored to your needs. Our offerings include air conditioner installation pipes, copper line sets, and line set covers. Take advantage of our OEM and ODM services to personalize products with your logo. Choose from convenient payment options like TT, L/C at sight, and credit card. Request samples for quick evaluation - existing samples ready in 2 days, customized samples in 5-7 days. Benefit from our efficient production process with a typical turnaround of 15-20 days. Count on us for timely delivery and top-notch HVAC solutions.