Fitting 331, flat sealing, IT/ET, Rp/R 2 1/2, NBR seal, Operating temp. -20°C to 200°C, black malleable cast iron, Hot-dip galva.
Maximum temperature and maximum operating pressure should not occur at the same time!
Acc. 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.