Thread pipe fitting from malleable cast iron, kind – reduction (crosseover) with inner x outer tubular threads, galvanized design. Outer thread R and inner thread Rc is conical for sealing of joints on the threads according of norm ISO 7-1. Produced according of norm EN 10242, mark N4. Using: Intended for distribution of water, air, nonabrassive and nonaggressive fluid to allowed press 25 bar and temperature from -20 until 120°C, with necessity of prevention for freezing of media.