grilles, air valves, diffusers: air valves
Intake valve made of black sheet
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 |
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