The fire door, also PCF call is a fire door, used in order to ensure fire protection also prevents the passage of fire or smoke between compartments, facilitating the escape of people and resgates.Tal port is used at various locations in everyday life, such as shopping centers, theaters, cinemas, among several buildings as apartments.
It is also suitable for office entries, refuge areas (bunkers), antechambers, separation of commercial and industrial risk areas, restricted access locations, or to communicate directly with escape routes, access to walkways and gangways between buildings, access measuring enclosures, protection and transformation of electricity. It is required in commercial or residential buildings, houses, industrial, maritime, among other projects. A safe product, however its inappropriate use and does not pass a quality test their effectiveness may be compromised is considered.
The fire doors can be made of combination of various materials such as steel, gypsum, vermiculite and ceramic fiber. Already the door hardware can include automatic closing devices, ball bearing hinges and a locking mechanism. One should also be seals, strips and joints that prevent the passage of smoke through the door.
Most of the fire doors are used daily, but most of the ports are designed to remain closed. Others are already open under normal circumstances and is automatically closed to emerge a fire. Whichever method is used, door movement must not be hindered by any obstacle or objeto.Algumas doors are kept open accompanied by an electromagnetic object connected to a fire alarm system. Wireless Internet and other tools can be used safely and legally to keep fire doors open.
Tests with fire doors also serve to classify the fire resistance time. There are those that last 20, 30, 45, 60 and 90 minutes which are certified by a reliable laboratory, such as Underwriters Laboratories in the United States.
As the fire doors can be used daily, it is necessary to have monthly maintenance on the opening and closing of the object. Every six months is also required to make the lubrication of hinges and lock with grease, in addition to a review of the door leaf condition.
The PCF is qualified by ABNT 11742 through the certification seal ABNT or other organ of the Conmetro. All doors sold in Brazil must pass compliance tests, conducted at the Institute for Technological Research (IPT).
The doors are classified as P-30, P-60, P-90 and P-120, in accordance with the duration time (resistance) to fire in minutes. To ensure protection, its components as lock and hinge should also be in accordance with ABNT 13768. The door firebreak can also be fitted with panic bar, according to ABNT 11785.
Each port should receive the escape route direction, a sign that read: DOOR FIRE CUT - You MUST KEEP CLOSED. It is prohibited to prevent the free door lock fireproof with any kind of object. It is appropriate fine if irregularities in previews or liability in the event of irregularities discovered during a fire, with casualties or not.
Another type of fire door follows the standard NBR 11711, used for separation of risks in commercial and industrial environments, and feature in constructive types: sliding, folding and guillotine
Fire doors Single or one (1) sheet. Standards offer three steps 80, 90 or 100 cm. Other sizes are manufactured to order. The measurements of 0.80, 0.90 or 1.00 meter, corresponding to the sheet width, which is the moving component of the security door.
Fire doors Double or TWO sheet. We offer three standard measures, 160, 180 or 230 cm. The manufacture of other sizes can be tailored. The measurements of 1.60, 1.80 or 2.30 meters, corresponding to the sum of the widths of the two sheets, which are the moving parts of the door.
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