Stoppers 290, beaded, R 3/4 ET black malleable iron fitting, operating temp. -20 °C to 300 °C, ISO 7-1
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.
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.