Screwtite Fittings

Screwtite Fittings View Large Image
PSCREWTITEFIT

The Screwtite fitting series are nickel plated compression brass fittings for mulitlayer pipe. These types of fittings are used in various areas, but they are manily used for the contruction of drinking water distribution systems, sanitary systems etc.

This series is produced in accordance with regulations of D.M no 174 of the 6th April 2004 on materials and objects that can be used in installations for water distribution intended for human consumption and respects all the following legislations to ensure a reliable and high quality product.

This is line certified with German Laboratory DVGW and Complies with;

  • EN681-1
  • UNI EN 1254-3
  • EN 10954-2

The TDM Brass threaded fittings are produced in accordance with regulations ISO 228 cylindrical gas threading.

All the forged brass fittings are produced in accordance with the regulations of the legislation UNI EN 12165 with brass CW617N - CuZn40Pb2.

Galvanic TreatmentsTo satisfy the regulations of the D.M no 174 of 6th April 2004 and allow the use of fittings in installation for water distribution for human consumption, all nickle plated and chrome plated articles satisfy the requirements for the legislation UNI ISO 92 27 for the corrosion and the legislation UNI ISO 28 19 for adherence.

System Information - The seal between the pipe and the fittings is guaranteed by the presence of a double EPDM PEROX O-Ring (in accordance with the regulations UNI EN 681-1:2006) placed on the fitting's body. The joingin of the pipe occurs by radial compression provided by the engagement of the nut which results in the compression of the split olive around the pipe and axial compression on the O-Ring against the body. Finally, the fitting is also equipped with a teflon ring that guarantees the dielectric isolation between the aluminium of the pipe and the brass of the fitting, preventing the stress - corrosion that could damage the components (pipe and fittings).

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