隔氧层电缆
OXYGEN-SEGREGATED CABLES
执行标准
STANDARD IMPLEMENTED
执行标准:Q/321084 KXD19-2008
Executive standard:Q/321084 KXD19-2008
使用特性
APPLICATION PROPERTIES
1、额定电压符合相关产品标准规定。
2、PVC绝缘隔氧层电缆长期工作温度不超过70℃，XLPE绝缘隔氧层电缆长期工作温度不超过90℃。
3、电缆在敷设时的环境温度不低于0℃，弯曲半径不小于电缆外径15倍。
1 ) Rated voltages comply with the requirements specified in relevant standard.
2) The permanent service temperature for PVC-insulated oxygen-segregated cables shall not exceed 70℃; the permanent servicetemperature for XLPE-insulated oxygen-segregated cables shallnot exceed 90℃.
3) In laying the cables, the ambient temperature shall not be lowerthan oc; and the minimum bending radius shall not be less than15 times of the cable's outer diameter.
产品的命名规则
RULES OF DENOMINATION
低烟无卤用“WD""表示，即分别用"无"、"低"汉字的个拼音字母表示。隔氧层用"G"表示，即用"隔"汉字的个拼音字母表示。阻燃型用"ZR"表示，即分别用阻"、"燃"汉字的个拼音字母表示，耐火型用"NH"表示，即分别用"耐"、"火"汉字的个拼音字母表示。产品代号用型号、额定电压、规格及标准号组成
例︰耐火铜芯交联聚乙烯绝缘低烟无卤聚烯怪护套、隔氧层电力电缆、固定敷设、额定电压O.6/1kV、4芯、70mm2表示为GNH-WD-YJE4×70 Q/321084KXD19-2008
"Dw" stands for low-smoke and halogen-free, "G" for oxygen-segregation layer, "ZR " for fire retardant, and "NH" for fire resistant.
A product code consists of product model, rated voltage, specific-ations and standard No.For, example,Fire-resistant, copper-core,XLPE-insulated, low-smoke,halogen-free, polyolefine-sheathed,oxygen-segregated power cable, fixed laying, rated voltage 0.6/1kV,4-core,70mm2 is briefly expressed as GNH-WD-YJE4X70Q/321084 KXD19-2008
主要性能
MAJOR PERFORMANCES
1、隔氧层阻燃电缆阻燃特性达到GB/T18380.3-2001A类标准。
2、隔氧层耐火电缆耐火特性达到GB/T19216.21-2003中的标准要求，即在750℃-800℃火焰下燃烧90min在额定电压下不击穿。同时其阻燃特性达到GB/T18380.3-2001A类标准。
3、无卤低烟隔氧层阻燃电缆燃烧时烟密度(透光率)达到GB/T17651-1998(等效lEC61034)低烟标准，燃烧气体腐蚀性达到GB/T17650-1998(等效IEC60754)标准要求。阻燃性能达到GB/T18380.3-2001A类标准,气体含量符合IEC60754-1标准要求。
4、无卤低烟隔氧耐火电缆，燃烧时烟密度(透光率)达到的GB/T17651-1998(等效IEC61034)低烟标准，燃烧气体腐蚀性达到IEC60754-2 IEC60754-2《用测量pH值和导电来测量气体酸度的方法》PH≥4.3,导电率≤10us/mm,及IEC60754-1《卤素气体量的测量》，气体含量≤5mg/g，耐火特性达到GB/T19216.21-2003的要求。5、所有型号电缆能经受相应产品标准规定的电压试验5min不击穿。
6、除有上述特性外，其它性能分别符合GB/T12706-2002、GB9330-1988、Q/321084 KXD04-2008标准。
1.The fire retardant performance of the oxygen-segregated fire retardant cables has reached the requirements specified inGB/T18380-2001A.
2.The fire resistant performance of the oxygen-segregated layerhas reached the requirements specified in GB/T19216.21-2003,namely, after burning for 90 minutes in fire of 750℃~800℃, thecable has no breakdown under rated voltage. Meanwhile, thefire retardant performance has reached the requirements speci-fied in GB/T18380.3-2001A.
3.In the burning of halogen-free, low-smoke, oxygen-segregatedfire retardant cables, the smoke density (light transmission rate)has reached the requirements for low smoke as specified in GB/T17651-1998 (equivalent with IEC61034), the corrosive ness ofthe gas from burning has reached the requirements specified inGB/T17650-1998 (equivalent with IEC60754),the fire retardantperformance has reached the requirements specified in GB/T18380-2001A, and the HCL content complies with the requ-irements specified in lEC60754-1.
4.The smoke density (light transmission rate) of the halogen-freelow-smoke oxygen-segregated fire resistant cables has reachedthe requirements specified in GB/T17651-1998(equivalent withIEC61034); the corrosiveness of the gas from burning has reach-ed the PH≥4.3 with the conductivity ≤10us/mm as specified inIE6OC754-2"Measuring Gas acidity in the Method of MeasuringPH value and Conductivity" and IEC60754-1"Measuring the Hal-ogen Gases""; and the HCL content ≤5mg/g; fire resistant perfo-rmance has reached the requirements specified in GB/T19216.21-2003.
5.No breakdown occurred after cables of all models have undergone 5-minute voltage test.
6.Besides, the above-mentioned performances, other performan-ces comply with relevant requirements specified in GB/T12706-2002 、GB9330-1988 and Q/321084 KXD04-2008
