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Manual Pull Station - One of the Best Devices to Combat Fire
Disasters and fire accidents can strike at any time. Hence it is never
too late to be prepared. Especially, Fire accidents could be prevented
easily if you have proper alarms and systems in place.
A manual pull
station is an active fire protection device, which is usually wall
mounted. When it is activated, it initiates an alarm on a fire alarm
system. It is similar in its function to manual call points. In its
simplest form, the user activates the manual fire alarm systems by
pulling the handle down, which completes a circuit and locks the handle
in the activated position, and sending an alarm to the fire alarm
control panel.
Manual pull station is a device designed to initiate a signal when
operated manually. Manual pull stations are often reset using a key,
which allows the handle to go back up to its normal position. Generally
many of the manual pull stations are single action and only require
the user the pull down. Other manual pull stations are dual action,
and as such require the user to perform a second task before pulling
down, such as lifting up or pushing in a panel on the station.
How is the Manual Pull Station Used?
Manual pull station units are wall-mounted handles that permit the
fire alarm manual to be activated from various stations throughout
the building. They also function autonomously of any custom detection
system and can be monitored via local or central station once set
in motion. Manual pull stations lets inhabitants to sound the alarm
at the first sign of a fire, allowing evacuation and emergency responses
before a smoke detector has identified the situation. Yet, manual
pull stations are useless if no one is on site
A manual pull station needs building personnel or emergency responders
to open the station using a key, which often is either a hex key or
a more traditional key to reset itself after it has been operated
normally Opening the station normally causes the handle to go back
to its original position, allowing the alarm to be reset from the
fire alarm control panel after the station has been closed.
Single Action Vs dual Action Manual Pulls Stations
Single action needs users to pull down and it is present in many pull
stations. In dual pull station you have to lift up or push in a panel
on the station before the pulling down action. The single action station
has high quality, die cast metal with SPST contacts and terminal strip
contacts. In dual action, the bark marked push rotates inward allowing
the pull bar to be grasped and operated by single hand.
