A fixed open grille cannot maintain the intended differential as flow changes.
The balanced blade alters its opening in response to the pressure across it.
The weighted blade assembly establishes a 30 Pa pressure setting without continuous electrical control. As transfer flow varies, the blade angle changes to regulate the pressure difference between the connected spaces.
| Pressure Setting | 30 Pa |
|---|---|
| Control Band | ±3 Pa |
| Blade System | Balanced airfoil |
| Power Requirement | None |
| Frame Construction | Welded extruded aluminum |
| Blade Pivots | Stainless steel |
| Bearings | Nylon bushes |
| Setpoint Adjustment | Balance-weight adjustment |
| Installation Options | Through-wall or in-duct |
| Customisierung | Available to suit the operating pressure cascade and installation environment. |
The balanced blade alters its opening in response to the pressure across it.
The regulator can be placed within a duct instead of directly in the wall.
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