ENG DAMPA Perforation patterns 2024 - Flipbook - Side 6
Open
Area
Perforation
Size
Material
ST-704
22,3%
Ø 3,2 mm
Steel
ST-715
16,1%
Ø 4,0 mm
Steel
ST-716
40,3%
Ø 4,0 mm
Steel
ST-723
40,3%
Ø 6,0 mm
Steel
50,3%
Ø 6,0 mm
Aluminium
or steel
6
6
Ø3.2
12.5
45˚
12.5
Ø4
6
10.39
60˚
Ø4
9
15.588
60˚
Ø6
10.6
45˚
10.6
AL-726
Ø6
6
ST-726