Fitting 331, flat sealing, R 1 1/2, Rp 1 1/2, black malleable iron fitting, operating temp. -20 °C to 200 °C, ISO 7-1
Maximum temperature and maximum operating pressure should not occur at the same time!
According to DIN EN 10242 (previously 2950).
Malleable iron cast fittings in black steel, non-galvanized, is the classic fitting series in connection series in piping construction. Our malleable iron cast fittings are characterized by high mechanical strength and standardized fitting technology.