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What is the fire of cable tray? Fire cable tray with ordinary cable tray difference -
by：AAA
2020-09-15
As the name implies, fire retardant cable bridge is the cable tray with fire prevention function which is the biggest characteristic, but a lot of people don't really know for fire retardant cable bridge, also do not know when buy fire cable tray and the difference between ordinary cable bridge exactly reflected in what respect, let's do detailed introduction for you.
fire cable tray itself has no flammability, fire bridge is in ordinary bridge surface spraying a layer of fire retardant paint, in order to have the effect of fire retardant; Here is to introduce fire cable tray is? Fire cable tray with ordinary cable tray.
a, fire-resistant cable tray
when the cable fault is on fire, fire prevention of the fire retardant cable bridge frame of fire retardant paint, fire bridge is the principle of shielding thickness according to JB/T10216 a 2000 'electric distribution with cable tray table 10 requirements, plating is more than 12 & mu; M, hot dipped more than 65 & mu; M, plastic spraying is more than 50 & mu; M, fire prevention is more than 500 & mu; M, thickness gauge can be used to measure.
fire bridge, the surface have a grind arenaceous feeling, generally used in fire fighting equipment distribution circuit, including fire control room, fire pumps, fire elevator, smoke fan and automatic fire alarm system, in addition to the automatic fire alarm system other distribution circuit can be used fireproof cables, without having to use fire bridge. Fire bridge in the underground garage for refractory time is greater than 1 h. Requires bridge fire section, can be in pallet, ladder add plate, mesh with fire or flame retardant materials constitute a closed or semi-closed structure, and in the bridge surface coating meets CECS 24; 90 'technical specification for steel structure fire retardant coating fireproof coating, its fire resistance as a whole should comply with the requirements of relevant state regulations and standards.
fire-resistant cable tray
2, fire retardant cable tray with ordinary cable tray difference between
1, the shape difference is not big, but is the difference between a brush fire retardant coating, and the thickness of the coating; Normal circumstances, the level of fire retardant paint coating thickness of more than 20 mm, the secondary fire retardant paint coating thickness for more than 10 mm, coating should be uniform. Wait for dry after appearing, with alcohol lamp flame tests. Flame height about 40 mm, on fire time is 20 minutes commonly, check the foam coating. Also can use a torch to do inspection. Fire retardant paint under the flame burning, will be a lot of foam expansion, the surface projection within minutes won't appear damage phenomenon, while fake fire retardant paint basic not foaming, there will be a large number of scattered off residue.
2, fireproof cable tray of the appraisal report is usually deliver to designated by the state machinery and electronic products manufacturers to do testing on function and quality, and physical and chemical parameters of inspection and test. The manufacturer or supplier must provide the test report.
3, appearance is similar to other bridge, color such as yellow, gray, is coated with fire retardant paint, not plastic. Some fire trough around inside apply have fire prevention board, ordinary bridge is usually used galvanized bridge, fire bridge with galvanized bridge is easy to distinguish from the appearance, color have differences, fire bridge can choose custom color, the color of the most commonly used electrical box is grey, because of the fire retardant paint color can be adjusted. Appearance of the lacquer that bake is grind arenaceous feeling, and galvanized iron bridge is silvery white, what colour is iron, galvanized bridge is what color, because it is made of galvanized iron material.
4, is commonly used in the basement, warehouse, the cable laying in areas such as the room.
5, installation of fire prevention design requirements; Important parts; Slot filling fire-resistant pillow. In general; Overly wall floor do fire barrier in fire pillow.
6, belongs to the fire acceptance.
fire cable tray and ordinary bridge can be found in many respects, there is a difference, and it is also a can be customized according to customer's requirements of bridge type, you buy time to look for the big manufacturers in specific products, and pay attention to from the quality of the product, price, and other aspects detailed comparison.
fire cable tray itself has no flammability, fire bridge is in ordinary bridge surface spraying a layer of fire retardant paint, in order to have the effect of fire retardant; Here is to introduce fire cable tray is? Fire cable tray with ordinary cable tray.
a, fire-resistant cable tray
when the cable fault is on fire, fire prevention of the fire retardant cable bridge frame of fire retardant paint, fire bridge is the principle of shielding thickness according to JB/T10216 a 2000 'electric distribution with cable tray table 10 requirements, plating is more than 12 & mu; M, hot dipped more than 65 & mu; M, plastic spraying is more than 50 & mu; M, fire prevention is more than 500 & mu; M, thickness gauge can be used to measure.
fire bridge, the surface have a grind arenaceous feeling, generally used in fire fighting equipment distribution circuit, including fire control room, fire pumps, fire elevator, smoke fan and automatic fire alarm system, in addition to the automatic fire alarm system other distribution circuit can be used fireproof cables, without having to use fire bridge. Fire bridge in the underground garage for refractory time is greater than 1 h. Requires bridge fire section, can be in pallet, ladder add plate, mesh with fire or flame retardant materials constitute a closed or semi-closed structure, and in the bridge surface coating meets CECS 24; 90 'technical specification for steel structure fire retardant coating fireproof coating, its fire resistance as a whole should comply with the requirements of relevant state regulations and standards.
fire-resistant cable tray
2, fire retardant cable tray with ordinary cable tray difference between
1, the shape difference is not big, but is the difference between a brush fire retardant coating, and the thickness of the coating; Normal circumstances, the level of fire retardant paint coating thickness of more than 20 mm, the secondary fire retardant paint coating thickness for more than 10 mm, coating should be uniform. Wait for dry after appearing, with alcohol lamp flame tests. Flame height about 40 mm, on fire time is 20 minutes commonly, check the foam coating. Also can use a torch to do inspection. Fire retardant paint under the flame burning, will be a lot of foam expansion, the surface projection within minutes won't appear damage phenomenon, while fake fire retardant paint basic not foaming, there will be a large number of scattered off residue.
2, fireproof cable tray of the appraisal report is usually deliver to designated by the state machinery and electronic products manufacturers to do testing on function and quality, and physical and chemical parameters of inspection and test. The manufacturer or supplier must provide the test report.
3, appearance is similar to other bridge, color such as yellow, gray, is coated with fire retardant paint, not plastic. Some fire trough around inside apply have fire prevention board, ordinary bridge is usually used galvanized bridge, fire bridge with galvanized bridge is easy to distinguish from the appearance, color have differences, fire bridge can choose custom color, the color of the most commonly used electrical box is grey, because of the fire retardant paint color can be adjusted. Appearance of the lacquer that bake is grind arenaceous feeling, and galvanized iron bridge is silvery white, what colour is iron, galvanized bridge is what color, because it is made of galvanized iron material.
4, is commonly used in the basement, warehouse, the cable laying in areas such as the room.
5, installation of fire prevention design requirements; Important parts; Slot filling fire-resistant pillow. In general; Overly wall floor do fire barrier in fire pillow.
6, belongs to the fire acceptance.
fire cable tray and ordinary bridge can be found in many respects, there is a difference, and it is also a can be customized according to customer's requirements of bridge type, you buy time to look for the big manufacturers in specific products, and pay attention to from the quality of the product, price, and other aspects detailed comparison.
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