国产亚洲精品俞拍视频_91热久久免费频精品99欧美_91色视频在线观看_性做久久久久久久久男女

　　◆執行標準：

　　1）本產品按GB/T12706-2008設計制造。

　　2）阻燃電力電纜按企業標準制造，其中阻燃特性符合GB/T18380-2008的要求。

　　3）耐火電力電纜按企業標準制造，其中耐火特性符合GB/T12666-2008要求。

　　◆ Implementation of the standards :

　　1)This product is designed and manufactured according to GB/T12706-2002.

　　2)flame retardant power cable accordance with the standards of production enterprises,flame retardant characteristics meet the requirements

　　GB/T18380-2008.

　　3)fire-resistant power cables manufactured according to corpoate standards,including fire-resis-

　　◆阻燃特性：

　　1）阻燃電纜能經受GB/T18380規定的成束燃燒試驗，

　　2）切燃燒時煙濃度符合GB/T17651.1的規定

　　3）燃燒析出氣體中HCL含量應≤100mg/g。

　　4）耐火電纜能經受GBA/T12666規定耐火試驗。

　　◆Retardant performance:

　　1)Retardant cable can withstand GB/T18380pre- scribed bunched burning test,

　　2)Smoke density in accordance with the require- ments of GB/T17651.1

　　3)Combustion gases precipitated HCL content

　　should be ≤100mg/g.

　　4)Resistant cable can withstand GBA/T12666 fire test requirements.

　　tant characteristics meet GB/T12666-2008 require-

　　◆主要特性：

　　電纜的型號、名稱及適用場合 Cable type,name and for occasions

　　1）電纜導體長期允許工作溫度不超過70℃.短路時（最長持續時間不超過5秒），電纜導體≤3002 時，溫度不超過160℃，>3002時，溫度為140℃。

　　2）敷設電纜時的環境溫度應不低于0℃，低于

　　0℃時應先預熱。最小彎曲半徑不小于電纜外徑，單芯電纜無鎧裝20倍，有鎧裝15倍。三芯電纜無鎧裝15倍，有鎧裝12倍。

　　3）導體直流電阻應符合GB/T3956的規定。

　　4）工頻耐電壓試驗：3.5kv/5min不擊穿。

　　◆ Characteristics:

　　1)cable conductor long-term allowed working temperature does not exceed 70 ℃. When the short circuit (the longest duration of not more than 5 seconds), cable conductor 300 squared or less, the highest temperature does not exceed 160 ℃, and > 300 squared, the highest temperature is 140 ℃.

　　2)the cable when the ambient temperature under installation should not below 0 ℃, lower than 0 ℃ should be preheated. The minimum bending radius shall not be less than the outer diameter of the cable. The single-core cable shall be 20 times unarmored and 15 times armored. The three-core cable is 15 times unarmored and 12 times armored.

　　3)the dc resistance of the conductor shall conform to the provisions of GB/T3956.

　　4)power frequency voltage resistance test: 3.5kv/5min no breakdown.

　　◆主要用途：

　　本產品適用于交流額定電壓0.6/1kv的線路中， 供輸、配電能用。阻燃電力電纜適用于要求阻燃

　　的場合。

　　耐火電力電纜適用于高層建筑、大型商場等人口密集地區。

　　◆ Main Use :

　　This product is suitable for AC rated voltage 0.6/1kv the circuit,transmission of electrical energy used.flame retardant power cable is suitable installed infire-retardant demanding situations.

　　Resistant power cable for high-rise buildings,shop- ping malls and other densely populated areas.