Relief DamperThe relief damper maintains positive pressure and controls air-flow direction in an indoor environment. It also controls differential pressure in air indoors/outdoors or in rooms in proximity to prevent polluted air from entering a clean-room.
 |
 |
Dimension| Type | A | B | C | D | E |
| ¨ª190 | 280 | 245 | 226 | 20 | |
| ¨ª250 | 340 | 302 | 285 | 25 | |
| A=Wall Thickness(mm) | |||||
| Type | Wall Open Sixe | Wall Thickness | |
| ¨ª190 | ¨ª250 | ||
| Size | 255Hx255W | 312Hx312W | 40~75mm |
