Locknut no. 310 galvanised

Counter nut 310, IT, Rp 3/4, Operating temperature -20°C to 300°C, black malleable cast iron, Hot-dip galvanised, DIN EN 10242Acc. to DIN EN 10242 (formerly DIN 2950)The classic - and the most popular - screw fitting series for pipe construction. These fittings are characterized by their high mechanical strength and surface quality to DIN 2444. They are completely coated with a layer of pure zinc and are therefore suitable for drinking water; they are also protected against rust. These malleable iron fittings are used in machine construction, exterior lines, cold water lines and heating lines. Working minimal temperature = -20 °C, 25 bar. Working pressure for temperature range from -20 °C to 120 °C: 25 bar. Working pressure for temperature range from 120 °C to 300 °C: 20-25 bar.