Connection fitting - internally threaded, 42 x Rp 6/4

Product detailed description

Internal threaded connection fittings are essential components in closed heating and industrial systems where press pipes need to interface with threaded equipment. This fitting is commonly used in central heating installations, fire suppression systems, compressed air lines, and inert gas applications. It ensures a secure and leak-free connection between a 42 mm press pipe and a Rp 6/4 threaded port. The zinc-coated carbon steel construction provides durability, while the EPDM O-ring ensures a tight seal under varying temperature and pressure conditions. The fitting is suitable for installation in both residential and commercial buildings, including solar heating systems and climate control circuits.

Technical parameters

Material	carbon steel with zinc coating
Operating temperature	-20 °C
Nominal pressure	PN 16
Resistance to high pressures up to	16 bar
Weight	0.564 kg
Code	IVC62.4216
Brand	IVAR

The operating temperature range of -20°C to +120°C allows the fitting to be used in both cold and hot water systems, as well as in industrial environments with fluctuating conditions. The maximum pressure rating of 16 bar ensures compatibility with high-pressure systems. When selecting this fitting, ensure that the system pressure does not exceed PN 16 and that the operating temperature remains within the specified range to maintain performance and longevity.

Installation and connection

To install the fitting, first ensure that the 42 mm press pipe is properly prepared with a clean, burr-free end. Insert the pipe into the fitting until it reaches the stop, then use a press tool compatible with the M type to apply the necessary pressure. The internal Rp 6/4 thread should be aligned with the mating component and tightened by hand or with a wrench. Check that the EPDM O-ring is undamaged and seated correctly to prevent leaks. Common installation errors include over-pressing the pipe, misalignment of the thread, or using an incompatible press tool. Always verify the connection with a pressure test before commissioning the system.

Compatibility and accessories

This fitting is compatible with press pipes of 42 mm diameter and threaded components with Rp 6/4. It works with press tools of the M type. For a complete installation, ensure that the system includes compatible press fittings, pipes, and threaded components. Additional items such as press tools, sealing compounds, and pressure testing equipment may be required for installation and commissioning.

Technical background for designers

This connection fitting operates by creating a mechanical and sealing interface between a press pipe and a threaded component. The zinc-coated carbon steel body provides resistance to corrosion and mechanical stress, while the EPDM O-ring ensures a tight seal. The fitting is designed for use in closed systems under pressure, where the integrity of the connection is critical. The operating temperature and pressure limits are determined by the material properties of the steel and the O-ring. The service life of the fitting depends on the quality of the installation, the stability of the system pressure, and the absence of mechanical shocks or vibrations.

Service and operation

During operation, the fitting requires no active maintenance. However, it should be visually inspected periodically for signs of wear, corrosion, or leakage. If the system is decommissioned or modified, the fitting should be removed and replaced if any damage is detected. No specific service intervals are required for this fitting, but it should be replaced if the EPDM O-ring becomes hardened or cracked.

Frequently asked questions

Can this fitting be used with press pipes of other diameters?
No, it is specifically designed for 42 mm press pipes and cannot be used with other sizes.

Is the fitting suitable for use in drinking water systems?
No, the manufacturer does not specify approval for potable water applications.

Can the fitting be used with non-press pipes?
No, it is intended for use with press pipes only and requires a press tool for installation.

What is the maximum allowable pressure for this fitting?
The fitting is rated for a maximum pressure of 16 bar, as specified in the technical parameters.