Black ventilation valves made of sheet metal, polished, coated with transparent varnish, intended for ceiling mounting on ventilation ducts.
They are used in low- and medium-pressure ventilation systems, where the humidity does not exceed 70%.
Fastening by screwing in an additional mounting frame made of galvanized sheet.
Ø 80 | Ø 100 | Ø 125 | Ø 150 | Ø 160 | Ø 200 | |
A | 116 | 140 | 170 | 202 | 202 | 254 |
B | 76 | 92 | 111 | 135 | 135 | 194 |
C | 40 | 40 | 46 | 54 | 54 | 64 |
Weight [gr] | 150 | 170 | 230 | 340 | 340 | 550 |
D | 105 | 125 | 150 | 175 | 185 | 225 |
E | 79 | 99 | 124 | 149 | 159 | 199 |
Weight [gr] | 80 | 100 | 120 | 180 | 190 | 240 |