Air conditioning copper pipe reducing double joints are core fittings for connecting copper pipes of different diameters. Featuring different-sized connectors on both ends, they precisely connect small and large pipes, ensuring refrigerant transmission and preventing leaks.
They are suitable for air conditioning piping renovations, connecting new and old units, and installing branch pipes in multi-split units.
Made of brass, precision-turned and seal-tested, they feature refrigerant-resistant sealing rings and are compatible with a variety of refrigerant types.
Our service includes selection guidance. Advantages include precise connection, excellent sealing, corrosion resistance, and compatibility with a variety of pipe diameters. The Air Conditioner Copper Pipe Reducing Double Joint is a core fitting for efficiently connecting copper pipes of varying diameters in air conditioning piping systems. Its key advantages are "full-size compatibility and double-end sealing to prevent leaks." It's constructed from high-quality H62/H65 brass through cold heading, with both ends precision-turned to create different-size joints. The inner walls are fitted with refrigerant-resistant nitrile rubber sealing rings (or copper gaskets) adapted to the corresponding pipe diameters. Once tightened, they simultaneously fit over the flared ends of the copper pipes. The brass material offers excellent corrosion resistance and is suitable for air conditioning operating conditions ranging from -30°C to 120°C, preventing joint deformation or seal failure caused by temperature fluctuations. The connector covers over 12 common pipe diameter combinations and is compatible with various refrigerant systems, including R22, R410A, and R32. Select models feature a stepped locating ring for quick pipe alignment during installation, reducing rework due to misconnections. The connector's exterior features a non-slip hexagonal surface, preventing wrench slippage and improving installation efficiency. The sealing ring utilizes an integrated vulcanization process, ensuring a tight fit with the connector's inner wall to prevent loss. The connector complies with the pipe thread standards of various domestic and international air conditioner brands. Applications include residential air conditioning pipe renovations (e.g., connecting small-diameter copper pipes from an older air conditioner to a new larger-diameter unit), commercial central air conditioning branch pipe installation (connecting a multi-split indoor unit to a main pipe), emergency pipe adapters for pipe diameter mismatches during air conditioner repairs (e.g., matching pipe diameter differences after compressor replacement), and transitional connections between copper pipes of different specifications during engineering installations. This connector not only resolves installation challenges caused by pipe diameter incompatibility, but also ensures smooth and leak-proof refrigerant transmission throughout the piping system, mitigating cooling efficiency degradation and refrigerant leaks caused by improper adapters.