Plastic transition fitting with metal thread

May 31, 2011 7:00 AM

Georg Fischer Piping Systems presents the new transition fitting made of plastic with internal and external threads of metal. On the plastic side, the combined socket and spigot versions provide installers with a great deal of flexibility. The transition fitting is sealed with an EPDM O-ring, which also protects against distortion and damage to the plastic during installation. Additional features of this fitting are its long service life and leak tightness even under temperature fluctuations and vibration.

GF_Image-transition_fittingTransition fittings available in ABS and PVC-U (Photo: Georg Fischer Piping Systems, 2011)

The new transition fitting made of plastic and metal was originally developed for industrial refrigeration technology. In frosting and defrosting processes, refrigerating plants are subjected to temperature fluctuations that can cause the material to expand. The innovative jointing technology of O-ring and retaining ring compensates this, while also preventing the connection from coming loose when there is vibration – essential in pipe systems with pumps. Retightening after installation is no longer necessary. The wide seat of the metal part enables secure mounting of the fitting with conventional installation tools.

Product Manager Peter Waefler, GF Piping Systems, is convinced that this revolutionary technology provides an extra dose of safety in industrial installations.

Available in ABS and PVC-U and a variety of dimensions

GF Piping Systems has created a safe and reliable bridge from plastic to metal pipes. The joints are available in the dimensions d20, d25, d32 (socket) on the plastic side and in ½“, ¾“, 1“, Rp and R threads on the metal side (stainless steel and brass). The pressure rating is PN16 for PVC-U and PN10 for ABS.

Georg Fischer – Adding Quality to People’s Lives
GF Piping Systems is one of three companies within the Georg Fischer group and a leading supplier of plastic and metal pipe systems with a global market presence.
Our portfolio offers connection technology, fittings, fixtures, sensors and pipes for the treatment and distribution of water as well as the safe transport of industrial fluids and gases. GF Piping Systems supplies leading innovative technical solutions for domestic engineering applications, the chemical process industry, food & beverage, life sciences, the microelectronics, shipbuilding, water and gas supply industries as well as potable water treatment. Our distributors in more than 25 countries and representatives in a further 80 countries guarantee customer service around the clock. Production facilities in Europe, Asia and the US are customer focussed and comply with all local requirements. Georg Fischer’s registered offices have been located in Schaffhausen, Switzerland, since the company was founded in 1802.

Key figures - GF Piping Systems 2010
More than 4700 employees worldwide (as of 1 March 2011)
1176 million CHF turnover
137 million CHF EBIT (earnings before interest and taxes)

Further information is available at


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