Manual Fire Damper
Manual control is not only suitable for closing damper in emergencies, but can also be used to control the opening and closing of dampers during maintenance and overhaul. Especially in the narrow space inside the building, automatic control is difficult to complete, manual control is particularly important.
Overview
Fire dampers are common equipment in fire protection systems to prevent the spread of fire. Common manual control methods include:
The valve can be controlled to open or close by a hand crank, which is suitable for larger fire dampers.
Hand wheel is used to control the manual valve open or close, applicable to smaller fire damper.
The hand lever is also a way to control the opening or closing of manual valves, applicable to various types of fire dampers.
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