Reduction, 2" x 6/4"

Product detailed description

Brass reducing fittings are essential components in the installation of heating, plumbing and sanitary systems. They allow for the connection of pipes with different diameters, ensuring a secure and leak-free transition between sections. These fittings are commonly used in residential and commercial buildings, especially in systems involving hot water supply and circulation. Installers often work with such components during system assembly, modifications or repairs, where diameter changes are required to match existing or newly installed piping. Correct selection and installation are crucial to maintain system integrity and prevent leaks or failures over time.

In systems operating with hot water, the thermal expansion and contraction of components must be considered. Reducing fittings must be compatible with the materials and temperatures of the entire system. They are typically used in conjunction with threaded connections, allowing for straightforward installation using standard tools. The PN rating and maximum operating temperature are key factors in determining suitability for specific applications. Installers should ensure that all connections are fully tightened and sealed to avoid leakage points.

Technical parameters

Installation and connection

Installation involves threading the fitting into the corresponding male or female threads of the connected pipes. The 2 inch and 6/4 inch connections require matching pipe ends with the same thread type. Before tightening, the threads should be cleaned and coated with a suitable sealing compound or tape. A torque wrench may be used to apply even force and prevent over-tightening, which could damage the threads or the fitting itself. Common installation mistakes include using incorrect thread sizes, failing to clean the threads, and applying uneven force during tightening. Always verify that the system is depressurised before starting the installation.

Compatibility and accessories

This reducing fitting is compatible with copper and steel pipes that have standard inch threading. It is suitable for use in systems operating with hot and cold water, as well as in heating circuits. For a complete installation, additional components such as unions, valves and pipe insulation may be required. Ensure that all parts are from the same or compatible material groups to prevent galvanic corrosion and maintain system longevity.

Technical background for designers

The operating principle of the reducing fitting is based on mechanical compression and sealing through threaded engagement. The CW617N brass alloy is known for its strength and resistance to corrosion, making it ideal for long-term use in wet environments. The PN 10 rating ensures it can withstand typical working pressures in residential and commercial systems. When integrated into a larger system, the fitting contributes to the overall hydraulic balance and must be selected to match the flow requirements. Factors such as water quality, temperature fluctuations and chemical exposure affect the service life and efficiency of the component.

Service and operation

Regular inspection of the fitting is recommended to detect signs of wear, corrosion or leakage. Check the tightness of the threaded connections during routine maintenance. There are no specified service intervals for this component, but any visible damage or performance issues should prompt immediate replacement. Ensure that the system is properly drained and depressurised before performing any inspection or repair work.

Frequently asked questions

Can this fitting be used in a hot water circulation system?
Yes, the maximum operating temperature of +120 °C and the PN 10 rating make it suitable for hot water circulation systems.

What type of sealing compound should be used with this fitting?
A standard PTFE-based sealing compound or thread tape is suitable for creating a watertight seal during installation.

Can this fitting be used with copper pipes?
Yes, it is compatible with copper pipes provided the threads match and the system conditions are within the specified parameters.