特级防火卷帘标准In 03j609 fire doors and Windows, each image corresponds to a number under each door This is the special code of the door of the door, the corresponding is fire door, fire proof window, the specification of fire shutter, style, gradeFor the majority of users who don，t often use this type of product, we may not know the meaning of these Numbers Here are some examples:Fire door code and shade index methodSpecial fire-proof roll curtain standard1 scopeThis standard specifies the definition, classification, requirements, test methods, test rules, signs, packaging, transportation and storage of special grade fire prevention productsThis standard is applicable to industrial and civil construction requirements to back fire surface temperature rise, integrity, support ability for refractory limit determ in ati on conditions, which has the function of fire, smoke and heat insulation super fire shutterNormative reference filesThe provisions of the following documents shall be the provisions of this standard through the reference of this standard Every note date reference documents, its all subsequent modification single (not including errata content) or revision shall not apply to this section, however, according to the agreement of the parties of this standard are encouraged to study whether can use the latest version of these documents.The latest version of an undated reference file applies to the standard.GB/T1102 wire ropeGB1243 short pitch drive precision roller chain and sprocketThe sampling procedure and the sampling table (applicable for continuous batch inspection) of the GB2828 batchGB/T3923.1 textile strong tensile properties Part 1: determination of the breaking strength and elongation at break condition methodGB/T5454 textile combustion performance test oxygen index methodGB/T5455 test vertical method of textile combustion performanceThe method of non-combustibility test for building materials of GB5464GB7633 door and roller curtain fire resistance test methodGB8624 building materials combustion performanceclassification methodThe technical conditions of the GB14102 steel fire protection roller curtainGA386 fire shutter controller3 defineSpecial fire shutterRefers to the use of steel material or inorganic fiber materials in shade, adopting different combinations, such as steel and inorganic cloth, instead of a cast, a splint made guide rail, plate, steel materials, signage, box, scroll, etc，and with the volume of machine and control box can conform to the requirements of the insulating refractory integrity, stays and smoke prevention performance of shutterStructure schematic, name symbol, code nameThe structure diagram and the parts names are shown in figure 1 and figure 2.Note: the structure of special class fire shutter is in various forms, which is an example of the structure of monorail roller and double-track roller(FIG. 1) (1) the plate; (2) curtain plate; (3) button switch; (4) manual speed setting device; (5) guide rail; (6) the bar;(7) the limiter; Sprocket (8); (9) the door machine; (10) control box; (11) box body; (12) a scroll;(13) support (14) motor(FIG. 2) (1) the plate; (2) curtain plate; (3) button switch; (4) manual speed setting device; (5) guide rail; (6) the bar;(7) the limiter： Sprocket (8); (9) the door machine; (10) control box; (11) box body; (12) a scroll;(13) support (14) motor4.2Thespecial class fire shutter name symbol is TFJ.4. 3codeThecode name for the special fire shutter is www. n jt jxf .comTFJStrength of wind pressure (see table 1)Curtain spacing (mm)Curtain number (see table 2)Open (see table 3)Refractory limits (see table 4)Hole height (cm)Hole width (cm)Special class fire shutter name symbolNote 1: the number of curtain surface of fire curtain is one, the spacing of the curtain is not requiredNote 2: it is not required for the strength of wind pressure in the code when the fire curtain is made of the inorganic fiber composite fire curtainNote 3: the pressure strength of steel is not required when the steel fire curtain is used in the room and no wind pressure is requiredNote 4: the special grade fire prevention shutter has the letter G and W after the name symbol, the structural feature of the special grade fire shutter The G says the shade is made of steel. W indicates that the curtain face is made of inorganic fiber materials, and the specific categories are shown in table 5.Example 1: TFJ (G) - 300-300 - TF3 - Cl - D - 80 indicates the hole width is 3000 mm, height is 3000 mm, fireproof limit ofnot less than 3. 00 h, opening and closing mode for the vertical roll, shade for a number of wind pressure resistance intensity for type 80 mega steel fire shutterExample 2: TFJ (GW) - 300-300 - TF4 - Cl - S - 300 indicates the hole width is 3000 mm, height is 3000 min, fireproof limit of not less than 4. 00 h, opening and closing mode f