NOT VALID
NOT VALID
NOT VALID
It is advisable that a:b relation does not exceed 1:4
CIRCULAR TO
RECTANGULAR CONVERTER
From circular to rectangular
Set the diameter by moving ‘D’ marker on the bar or introducing the desired value into the corresponding cell.
Set the duct height by moving ‘A’ marker on the bar or introducing the desired value into the corresponding cell.
Automatically, the ‘B’ marker will move until showing the width of the rectangular duct.
From rectangular to circular
Activate the block of ‘A’ marker with the lock.
Set the duct height by moving ‘A’ marker on the bar or introducing the desired value into the corresponding cell.
Set the duct width by moving ‘B’ marker on the bar or introducing the desired value into the corresponding cell.
Automatically, the ‘D’ marker will move until showing the corresponding circular diameter
Note: The relation a:b should not be higher than 1:4.
STANDARD DIAMETERS
Standard diameters are the following
80 | 100 | 125 | 150 | 160 | 180 | 200 | 250 | 315 | 355 | 400 | 450 | 500 | 560 | 630 | 710 | 800 | 900 | 1000 | 1120 | 1250 | 1400 | 1600 | 1800 | 2000
It is advisable that a:b relation does not exceed 1:4