When selecting fire shutter doors most important factor is the fire resistance of fire shutter doors. There are two methods of fire shutter fire resistance: First fire shutter according to current national standards GB7633 "fire test methods and shutter doors" resistance test, including the unexposed surface temperature conditions, including the determination of the judgment ; the second is also in accordance with GB7633 resistance test, according to the standard non-insulated protective layers on metal shutter waiver provisions unexposed surface temperature and product standards "steel fire shutter General technical conditions" (GB14102-93 ) the requirements of high-grade fire doors, only to a certain distance away from the unexposed surface of the radiant heat intensity and fire curtain wearing surface to determine whether the fire resistance of rolling shutter. According to fire back surface temperature rise is not included as a condition for determining the fire resistance of non-insulated fire shutter, fire resistance of the resulting data, including fire back surface temperature than the fire resistance of determining the conditions for thermal insulation fire shutter fire resistance should much longer. Fire doors Operation: extensively within the jurisdiction of the fire department is responsible for the use of fire-fighting facilities, maintenance, management education, efforts to improve people's awareness of the fire made a full and self-protection; maintenance of fire doors installed units extensive fire safety Umbrella propaganda education and training, and strive to make every staff are aware of the use of fire doors repair, maintenance, management basics normally open fire doors, to participate in the maintenance of life consciously door, managing to always be in a state of combat readiness; in fire Post fire door repair door repair fire doors residential use, functional and easy to use, and the use of the basic requirements of the state, normally closed fire doors in a prominent position on the maintenance wrote: "Normally closed fire door repairs, please feel free to turn off the" customer and the masses to understand fire doors maintenance of basic common sense; launched campaigns to protect the firefighting facilities and equipment, to mobilize everyone involved in the maintenance of fire doors and other fire protection facilities. Wood fire doors, fire doors Shuozhou, strong Sheng door industry by Wanbailin district-Sheng distribution of stainless steel products. Wanbailin district-Sheng Stainless Steel Products Distribution Division (www.sxqsmy.net) strong, credible, in Taiyuan, Shanxi metal door industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead a strong Sheng door industry and you work into the brilliant, for a better future!