Perforation Rv 1.6-20%

DIN Designation Rv 1.60-3.50
Hole diameter: 1.6
Free cross-section: 20%

Perforation Rv 2.5-23%

DIN Designation Rv 2.50-5.00
Hole diameter: 2.5
Free cross-section: 23%

Perforation Rv 3.0-20%

DIN Designation Rv 3.00-6.35
Hole diameter: 3.0
Free cross-section: 20%

Perforation Rv 4.5-51%

DIN Designation Rv 4.50-6.00
Hole diameter: 4.5
Free cross-section: 51%