Elbow with rectangular cross-section
The ventilation elbows are, by default, available with angles of 45o and 90o, with connection couplers at both ends. It is recommended to use elbows in systems of small transport velocity / pressure and with side dimension A < 400 mm. Standardized offset is 150 mm.
Symbols used in catalog numbers:
PVC-U - 88
PP - 30
PPs - 36
PE - 22