SB-E is a threaded elbow made of rolled mild steel, baked finish, in black varnish, threaded at both ends, one screwed-on coupling (SM-E).
This threaded elbow is used for joining Staro Gewinde-ES varnished steel conduits.
Advantages are its very heavy compressive strength and extreme temperature resistance.
Data sheet SB-E black vanish
Company standards SB-E lackiert