Threaded brass fittings

132 All straight fittings, from series 7110 to series 7170, and all the plug, from series 7510 to series 7520, are machined by brass bar EN 12164 – CW 614N. Seal caps series 7560 and gaskets series 7580 are made with copper Cu – ETP UNI 5649. The main parts of the flanges joints are made with the following materials: – hot forged brass EN 12420 – CW 617N for bushes and flanges; – aramidic fibers for seal gasket of the flanges. APPLICATIONS All the fittings, shown in this chapter, are excluded from the scope of Directive 97/23/EC, as specified in the Guidelines 1/8 and 1/9, because they are piping...

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