Bronze coupling 4270G 15x3/4" left female x female thread 4270G015006000

Bronze Coupling 4000 series

The bronze coupling with catalog number 4270G015006000 is a key component of installation systems for copper installations.

Construction and materials

The coupling body is made of high-quality bronze CuSn5Zn5Pb2-C (CC499K-DW), which meets the requirements of the PN EN 1982 standard. The bronze alloy is characterized by corrosion resistance and dimensional stability across a wide range of operating temperatures. The material ensures long-term tightness of connections and resistance to chemical agents present in water and heating installations.

The product is made in Poland, which guarantees quality control at every stage of the manufacturing process. Compact dimensions of 30×30×30 mm with a weight of only 50 grams make this component practical for the installer's daily work.

Universal connection capabilities

The coupling design allows for the creation of two types of connections:

• Soldered connection - the first side is adapted for copper pipes with a nominal diameter of DN15 (the outer pipe diameter is a standard 15 mm)
• Threaded connection - the second side is equipped with a cylindrical BSPP-G (ISO 228-1) female gas thread with a nominal diameter of 3/4 inch (20 mm)

The simple shape (arc angle 180°) ensures minimal medium flow resistance and facilitates installation in limited installation spaces.

Applications and compatibility

This component finds wide application in:

• Water installations in residential and commercial buildings
• Heating and cooling systems
• Industrial applications requiring high reliability

The coupling is compatible with all standard copper pipes available on the European market and can be used with external threads according to the international ISO standard.

Practical advantages for the installer

Thanks to precise workmanship and standardized dimensions, installation does not require additional gaskets or sealants when properly soldered. The BSPP-G female thread allows for easy screwing of standard threaded components without the risk of damaging the thread during assembly.

The bronze construction ensures good thermal conductivity during the soldering process, which shortens installation time and reduces the risk of overheating the material. The surface is ready for processing without additional grinding or chemical preparation.

The product is covered by full technical documentation from the manufacturer CONEX and meets all European Union safety requirements for installation components used in construction.