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To prevent back draughts. Lightweight blades and square ...
Description:
To prevent back draughts. Lightweight blades and square opening provide maximum free area when the fan is operating. Blades close under gravity when the fan airflow ceases. All components are light grey and UV stabilised to provide a long life. ...
Maintenance-free, low power consumption, rotary damper/louvre actuators, compatible ...
Description:
Maintenance-free, low power consumption, rotary damper/louvre actuators, compatible with all leading makes of HVAC controls. Minimum life of 60000 operations. Stall torque technology requires no end switches. Adjustable U-clamp accepts round or square shafts. Visible position indicator. Pushbutton manual override. ...
Maintenance-free, low power consumption, rotary damper/louvre actuators, compatible ...
Description:
Maintenance-free, low power consumption, rotary damper/louvre actuators, compatible with all leading makes of HVAC controls. Minimum life of 60000 operations. Stall torque technology requires no end switches. Adjustable U-clamp accepts round or square shafts. Visible position indicator. Pushbutton manual override. ...
New SF Series spring return actuators with emergency ...
Description:
New SF Series spring return actuators with emergency function for adjusting air dampers in ventilation and air conditioning systems in buildings. These replace the current AF series.,The motor moves the damper to its normal operating position against spring tension with ...