T-piece 90° - with male thread - N - 15-R1/2"-15mm IVAR.IVN43

Product detailed description

The 90° T-piece with male thread is commonly used in residential and commercial buildings for connecting pipes in heating, sanitary, and industrial systems. It is frequently found in underfloor heating circuits, domestic hot water loops, and compressed air installations. Installers working on these systems often require fittings that provide reliable sealing and resistance to corrosion and thermal cycling. This component is particularly suitable for applications involving aggressive media or high humidity environments.

Its construction allows for secure press connections on both ends and a threaded connection on the branch, making it ideal for integrating valves, sensors, or additional piping. The fitting ensures continuity in the flow path while allowing for directional changes in the system layout. It is essential to ensure all connections are fully seated and the press-fit indicators are engaged during installation.

Technical parameters

Material	Stainless steel grade Wst. Nr. 1.4404 (AISI 316L), EPDM sealing ring
Operating temperature	-20 °C
Nominal pressure	PN 16
Code	IVN43.151215
Brand	IVAR

The nominal pressure rating of PN 16 indicates the maximum allowable pressure at standard operating temperatures. The temperature range from -20°C to +85°C with a maximum of +120°C defines the conditions under which the fitting can maintain its integrity. These parameters are critical for selecting the correct component in systems with fluctuating or extreme temperatures.

Installation and connection

The T-piece is installed using press-fit tools on both straight ends and a standard pipe wrench for the male-threaded branch. The internal sealing ring ensures a tight connection when the press-fit is correctly applied. The press-fit must be verified using the 54 mm indicator mark on the fitting. Common installation errors include insufficient pressing force, misalignment of the branch, and failure to clean the pipe ends before assembly. Always verify the seating of the O-ring and the engagement of the press-fit indicators.

Compatibility and accessories

This T-piece is compatible with press-fit stainless steel piping systems of the same diameter. For the threaded branch, standard valves or adapters with R1/2" male thread can be used. It is important to ensure that all press-fit connections are made with the same type of tool and pipe material. No additional accessories are required for basic installation, but expansion joints may be needed in long runs to accommodate thermal movement.

Technical background for designers

The T-piece functions by splitting or combining flows in a piping system. The stainless steel body provides high resistance to corrosion and mechanical stress, making it suitable for long-term use in aggressive environments. The EPDM sealing ring offers flexibility and resilience under varying pressures and temperatures. The design integrates into closed-loop systems and allows for directional changes without disrupting the hydraulic balance. The service life depends on the quality of installation, the chemical nature of the transported medium, and the frequency of pressure fluctuations.

Service and operation

No routine maintenance is required for this component unless leaks or performance issues are observed. During operation, inspect the press-fit connections for signs of wear or loosening, especially after periods of high thermal cycling. Ensure that the system pressure remains within the PN 16 limit and that the operating temperature does not exceed +120°C. In case of suspected leakage, disassemble the affected section and re-press the fitting according to the manufacturer’s instructions.

Frequently asked questions

Can this T-piece be used in solar heating systems?
Yes, provided the system operates within the specified temperature and pressure limits. The material is suitable for handling non-aggressive fluids typical in solar applications.

Is the sealing ring replaceable?
No, the EPDM sealing ring is integrated into the fitting and cannot be replaced separately. If damaged, the entire fitting must be replaced.

What tools are required for installation?
A press-fit tool compatible with stainless steel piping and a standard pipe wrench for tightening the male-threaded branch are required for installation.

Can this T-piece be used with copper piping?
No, this fitting is specifically designed for stainless steel press-fit systems and is not compatible with copper piping or fittings.

Documents for download

• SKTL_IVAR.IVN43 czver (PDF)