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Stainless steel threaded fittings


The stainless steel threaded fittings of SERIE INOX are manufactured according to the strictest application requirements in the thermohydraulic field and are marked by their extremely high performance in situations of serious mechanical and chemical strain. They are the ideal solution in many installation situations where strength, reliability over time, hygiene and corrosion resistance are basic prerequisites for the system.

The SERIE INOX fittings are threaded in compliance with standard EN10266/ISO7 for sealed threaded couplings, making them ideal for installing combustible gas supply systems in accordance with standards EN1775 and UNI 7129SERIE INOX fittings are made of  AISI 316 stainless steel (material number 1.4401). 

For more detailed information on products installation and fields of application, it is necessary to refer to the technical data sheets available in the DOWNLOAD section of the website.

Filettatura Thread diametro From 3/8" to 2"

Acciaio_AISI316 Stainless steel AISI316

Pipes to be used

Unalloyed steel tubes threadable as EN 10226-1

Standards compliance

  • UNI EN 10226-1
  Fields of application Pmax





Sanitary water

Drinking water



16 bar, -20°/+110°C (ø ≤ 2")

10 bar, -20°/+110°C (ø > 2" ≤ 4")


Oil free compressed air (residual oil < 5 mg/m³)

16 bar, up to 30°C  (ø ≤ 2")

10 bar, up to 30°C (ø > 2" ≤ 4")

gas Gas 5 up to 70°C
antincendio Fire prevention 30 30°C
sprinkler Sprinkler 30 30°C

The above parameters are indicative and refer to pairs in the absence of gasket.

For use in applications outside the scope of this table, the advice of the manufacturer should be asked.

  • Austenitic AISI 316 stainless steel (1.4401) compliant with EN 10088 standard
  • Excellent resistance to high temperatures
  • R/Rp cone-shaped threaded fitting compliant with Standard EN10266/ISO 7
  • Suitable for all installations carrying drinking water, treated water or process water, even in very aggressive conditions

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