A high opening threshold would exceed the intended room pressure.
The 15 Pa setting addresses the low-pressure end of the regulator range.
A finely balanced airfoil blade responds to the pressure difference across a partition or duct. The 15 Pa selection uses a light balancing setting so transfer airflow can begin at the low end of the available pressure-control range.
| Selected Pressure | 15 Pa |
|---|---|
| Regulation Tolerance | ±3 Pa |
| Operating Principle | Self-powered balanced airfoil blade |
| Construction | Extruded aluminum |
| Pivot Material | Stainless steel |
| Bearing Material | Nylon |
| Adjustment Method | Blade balance weights |
| Mounting | Partition wall or duct |
| Finish Options | Mill finish or powder coating |
| Penyesuaian | Available for the intended pressure cascade, airflow and wall arrangement. |
The 15 Pa setting addresses the low-pressure end of the regulator range.
The blade responds directly to the differential pressure without an electrical supply.
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