Nuts and unions of extruded brass (CLA -360).
Elbows and tee of forged brass (CLA -377).
These connectors are used in tubes with flanged ends. Also used in enginees, equipment, air compressors, oil burners, locomotives, cooling systems, air conditioning LPG gas, naval industry and where there is scheduled dismounting of tubes.
This sealing is recommended for tubes made of copper, brass, aluminum, Bundy and steel, demanding thal the tube end be flanged to be mounted.