Branch flow changes when other ducts open or close.
The mechanical balance varies blade resistance in response to the pressure change.
The compact cylindrical body contains a low-friction blade, damping bellows and spring mechanism. An external setting scale establishes the desired airflow; the internal balance adjusts the blade as duct pressure changes.
| Nominal Diameter | 100 mm |
|---|---|
| Flow Range | 79–324 m³/h |
| Minimum Differential Pressure | 50 Pa |
| Maximum Differential Pressure | 1000 Pa |
| Scale Accuracy | ±4% |
| Operating Temperature | 10–50 °C |
| Casing Material | Galvanized steel |
| Control Mechanism | Mechanical blade, bellows and leaf spring |
| Setpoint Adjustment | External scale |
| Customization | Available for the intended branch airflow and installation environment. |
The mechanical balance varies blade resistance in response to the pressure change.
Airflow forces operate the basic regulator without an electrical supply.
Send us your dimensions, installation conditions, performance targets and required surface finish.