Ganzhou fire door manufacturers, Ganzhou B wood fire doors prices, Ganzhou B steel fire door sale, Ganzhou fire shutter doors

Steel wood fire doors fire resistant timber doorsets with steel structure with steel and wood materials or flame retardant wood products manufacturing frames, doors frame, panel doors. Other material fire doors other material fire resistant door sets using the addition of steel, flame retardant wood or wood products or in part, inorganic non-combustible materials with steel, wood flame retardant, flame retardant wood products manufacturing frames, doors skeleton, doors panel, if the filling material is filled with nontoxic to humans of fire insulation material, and with a certain fire resistance door hardware accessories consisting of fire inside the doors. Use function Ganzhou fire door manufacturers, Ganzhou B wood fire doors prices, Ganzhou B steel fire door sale, Ganzhou fire shutter doors have access fire doors, interior fire doors, explosion-proof fire doors, quick locking fire doors, in case of fire quickly open Fire doors; by technical sub-electronic fire doors, fire door closers built multifunction fire doors; press turned into fire doors normally closed and normally open fire doors. Normally closed fire doors generally consists of fire doors, door frames, door closers, seals and other components, double fan or fan normally closed fire door is also equipped with the sequencer. Normally closed fire doors do not usually need to provide professional electrical automation design, but also some special situations such as: evacuation normally closed fire doors on the channel, by electrical engineering with the design when some large construction side has requested the management of security and so on, to make may reduce overall security risk. For normally open fire doors, which is in addition to a normally closed fire doors all the accessories, we also need to increase fire door release switch, and must be provided by the electrical engineering design automation. Usually applies to the logistics flow more evacuation routes. Insulation in Ganzhou fire door manufacturers, Ganzhou B wood fire doors prices, Ganzhou B steel fire door sale, Ganzhou fire shutter doors fire door (A class) fully insulated doorsets within the specified time, it could also meet the fire resistance intact and insulation requirements of fire doors. Part of the fire door (Class B) partially insulated doorsets or greater within the prescribed 0.50 h, fire doors to meet fire integrity and insulation requirements. Non-insulated fire doors (class C) no insulated doorsets within the stipulated time, to meet the requirements of fire integrity of fire doors. 4 The main difference between editing Ganzhou fire door manufacturers, Ganzhou B wood fire doors prices, Ganzhou B steel fire doors sold, the difference between Ganzhou fire shutter doors security doors and fire doors that security door main function is to tamper sealed performance is better, After the general closed the door without keys to open the door, the inner door panel filler material is not fireproof. Security doors must have "FAM" logo, and with reference to anti-theft security door general technical conditions GB17565-2007. Although the fire door is made of steel but the inner door panel is filled with fireproof materials, steel door thickness also have different requirements. Steel doors steel doors is common, it also has some security features but Tamper relatively poor performance, general street plants are in this category. Only Shanghai and Chengdu have local standards of fire security door, the rest of the general can only be called fireproof entry door, that is not only to reach the National Fire Protection Class A or B fire doors standard, (infill fire door core) Class B standard General anti-burning time is divided. While meeting the requirements in the following areas Tamper: 1.5 thick door, front and back doors are 0.8 thick steel plate with a tamper lock function, namely both oblique bolt lock body, but also the discharge side of the tongue, with fast opening function, the best formula for the knob, but the world can not install the lock. Lock and cat were to have a fire inspection report, B fire door entry door can be fitted collar, grade allowed to wear. Businesses are required to provide fire type approval certificate acceptance, fire inspection reports, the metal entry door test report. Lock, cat fire test report. Door open direction for quick evacuation direction, not in the open. Wooden fire door fire door factory in Ganzhou, Ganzhou B wood fire doors prices, Ganzhou B steel fire door sale, Ganzhou fire shutter doors