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