Ventilation arches type B/II

Illustration

Gallery

Dimension table

d 100 160 200 250 315 400 500 630 800 1000 1250 1600 2000
s 1,25 1,5 2 2,5
Angle arc 30o Radius 160 250 315 400 500 630 500 630 800 1000 1250 1600 2000
45o
60 o
90 o
30 o Radius 250 400 500 630 800 1000 800 1000 1250 1600 2000 2500 3000
45 o
60 o
90 o