| After-sales Service: | Free Spare Parts |
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| Warranty: | 3 Years |
| ventilation mode: | natural ventilation |
| Samples: |
sample is free,we hope you can charge for the expr
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier Changzhou Dabund Pipe Co., Ltd. offers high-quality copper pipes for air conditioning applications. Our copper pipes have an outer dimension ranging from 1/4" to 3/8" (6.35mm - 9.52mm in metric) and meet ASTM B280 and C12200 standards.
We provide a variety of AC copper sizes including 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", and 1 1/8", with lengths available in 15m, 20m, 25m, 30m, and 50m. The insulation on our pipes is made of 1/2" Polypropylene & UV Resistant material, meeting ASTM E 84, UL94, ASTM D1056, and ASTM G 21 standards, with a working temperature range from -40ºC to 120ºC.
Our copper pipes are suitable for various air conditioning and refrigeration applications, including ductless mini-split systems, heat pumps, and centralized air ducted units. With a pressure rating of 2100 to 7000 PSI, our pipes exceed the required 700 PSI for R410 refrigerant.
We produce our insulation in-house and offer customization options such as printing your company name, size, and meters on the insulation. Explore our size list to find the perfect copper pipe for your needs.
| 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 |
At Dabund, we specialize in manufacturing high-quality HVAC parts, including air conditioner installation pipe kits. Our products feature insulated copper pipes and white embossed PE insulation, all designed to meet your HVAC needs. We also produce aluminum pipes in-house to provide cost-effective solutions for our customers.
With a focus on rapid innovation, our air conditioner connecting pipes have gained popularity in various overseas markets, including the USA, Canada, and Germany. We aim to be your ONE-STOP shop for HVAC & R parts, offering a range of products such as Air Conditioner Brackets, Ducts, Rubber Insulation, Drain Hoses, Pumps, and External Unit Bases.
Quality is our top priority, as we believe that the market is the ultimate test of a company's strength. We invite customers and friends worldwide to collaborate with us and look forward to your inquiries. Experience the Dabund difference and enjoy a better life with our products.
1. Payment Terms: We accept TT, L/C at sight, and credit card.
2. Sample Request: Yes, we offer free samples. You only need to cover the express cost.
3. Sample and Production Time: Existing sample in 2 days, customized sample in 5-7 days, and production time in 15-20 days.
4. Logo Printing: We accept OEM and ODM for logo printing.
5. Delivery Time: Usually 15-20 days, please inform us in advance for urgent orders.
6. Products: We offer air conditioner installation pipe, copper line set, line set cover, and other HVAC parts.
7. Company Information: We are a manufacturer, Changzhou Dabund Pipe Co., Ltd.
Suppliers with verified business licenses
Audited Supplier 
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