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ventilating equipment: roof bases

Type A Roof base

Type A roof bases are used as load-bearing elements of intake and roof apertures with a rectangular cross-section. The size of the type A base is selected depending on the size of the cooperating element.

Roof bases type A are produced in two versions:
– A / I – for non-channel installations
– A / II – for duct installations

Roof bases type A / I consist of a carrying jacket and flange connected with a channel profile.
Roof bases type A / II consist of a carrying jacket, a channel straightener and flanges connected with channel profiles.

material:
-OC – galvanized sheet (standard)
-OC-RAL – galvanized sheet painted RAL (on request)
-KO – acid-proof (made to order)

The table below shows the standard dimensions of the type A base. The manufacturer also makes it possible to manufacture other non-standard dimensions.

 

A B H H1 A1 B1 A2 B2 L
250 250 185 40 500 500 560 560 1000
250 400 185 40 500 650 560 710 1000
250 630 185 40 500 880 560 940 1000
400 400 210 40 650 650 710 710 1000
400 630 210 40 880 880 710 940 1000
630 630 260 40 880 880 940 940 1000
630 1000 260 40 1250 1250 940 1310 1000
630 1600 260 40 1850 1850 940 1910 1000
1000 1000 360 40 1250 1250 1310 1310 1000
1000 1600 360 40 1850 1850 1310 1910 1000

 

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