Nipple 5/4" brass

Product detailed description

Brass nipples are essential fittings in heating and plumbing systems, especially when connecting radiators, valves or pipe sections. In residential and commercial buildings, they are commonly used in central heating circuits, hot water supply lines and underfloor heating installations. Installers often work with these fittings during system assembly, repairs or modifications. Correct selection ensures proper flow and minimises leak risks.

The 5/4 inch connection size allows for secure and leak-free joints between components. Brass construction offers resistance to corrosion and thermal expansion, making it suitable for long-term use in wet and high-pressure environments. This fitting is typically used with threaded pipe ends and compatible with standard sealing compounds or tapes.

Technical parameters

EAN	8594013123426
Connection size	5/4 inch
Code	PR_9257
Brand	Klum

The 5/4 inch connection dimension is critical for ensuring correct fitment with mating components. It defines the internal thread size that must match the external threads of pipes or other fittings. When selecting this part, confirm that all connected elements have the same nominal diameter and thread type to prevent misalignment or leakage.

Installation and connection

To install the brass nipple correctly, ensure both ends of the connected pipes or components are clean and free of debris. Apply a suitable sealing compound or PTFE tape to the male thread before screwing it into the female thread. Hand-tighten initially, then use a wrench to achieve the recommended torque level. Avoid over-tightening, which can damage the threads or cause leaks. Always check for tightness after installation and perform a pressure test if required by local regulations. Common errors include using mismatched thread sizes or insufficient sealing material.

Compatibility and accessories

This brass nipple is compatible with standard threaded copper and steel pipes of matching diameter. For complete system integrity, ensure that all components such as unions, valves and couplings are also rated for the same pressure and temperature conditions. Additional items like sealing tape or pipe dope may be needed depending on the application and local installation practices. No specific alternative products are available for this model.

Technical background for designers

A brass nipple functions as a simple straight-through connector, allowing two threaded components to align and join securely. Its brass construction provides good mechanical strength, corrosion resistance and thermal conductivity. These properties make it well-suited for use in closed-loop systems with moderate to high water temperatures. The design does not introduce significant flow resistance or turbulence. Longevity depends on the quality of the threading, the accuracy of the fit and the presence of protective coatings if specified by the manufacturer.

Service and operation

Routine inspection of the connection for signs of leakage or wear is recommended during system maintenance. If disassembly is required, use appropriate tools to avoid damaging the threads. Reapplication of sealing material may be necessary after reinstallation. No scheduled service intervals are provided for this component; however, it should be replaced immediately if any defects are found.

Frequently asked questions

Can this brass nipple be used with copper piping?
Yes, it is suitable for use with copper piping of 5/4 inch nominal diameter provided the threads match and are properly sealed.

Is this fitting compatible with steel pipes?
Yes, as long as the steel pipes have the same 5/4 inch thread specification and are prepared correctly for connection.

What type of sealing material is recommended for installation?
PTFE sealing tape or pipe dope suitable for brass fittings and potable water systems is recommended for a secure seal.

Can this fitting be used in high-pressure systems?
It is designed for standard pressure applications. For high-pressure systems, consult the manufacturer’s technical documentation to confirm suitability.