WVK2 Rectangular Constant Air Volume Dampers
- Product Details
WVK2 volume flow rate controllers for air conditioning and ventilation systems, suitable for vertical and horizontal installation in supply and exhaust ducts. The casing and control mechanism are made of galvanised sheet steel. The centrally supported damper blade, which controls the volume flow rate, has a stainless steel bearing axis in special bushings. Adjustment device with rotary pointer, scale and lock for the volume flow rate set point and can be adjusted manually or by actuator.
WVK2 Volume Flow Rate Controllers are mechanical controllers for constant volume flow rates and do not require an auxiliary power supply. A special control mechanism guarantees control accuracy over the entire volume flow range. Within this control range, specified at V min and V max the set point for the required volume flow rate is adjustable.
The volume flow rate is maintained constant at varying pressures within the specified pressure range, with an approximate deviation of between ±5% and ±15% with greater deviations at lower flow rates, especially on the smaller sizes.
- WVK2Volume flow rate controllers are mechanical controllers that provide a constant volume flow rate in ventilation and air conditioning installations.
- WVK2/-/MVolume flow rate controller with actuator-driven adjustment of the volume flow rate set point.
- WVK2/-/DSVolume flow rate controller with acoustic Insulation for the reduction of external sound radiation.
- Volume flow range: 200 to 7000 m³/h
- Pressure range: 50 to 1000 Pa
- Leak tightness classification: B in accordance with EN 1751
- Internal temperature range: -20 to +70°C, 90°C for a short time only
- WT24.240240v to 24v AC Power supply
- Actuator-driven setting to two volume flow rate set points with 230V-or 24V power supply
- Continuous actuator-driven setting to any desired volume flow set point with 24V power supply
- External acoustic insulation with sheet metal jacket
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