公司名稱:天津市電纜總廠*分廠
所在區(qū)域:河北省.廊坊市
銷售總:畢靈通 :
:;5962618;
:(自動(dòng))
號(hào) Model | 名 稱 De scriptions | 使 用 范 圍 Use scope |
MHYV | 煤礦用聚乙烯絕緣聚氯乙烯護(hù)套通信電纜 PE insulated PVC sheathed communication cables for coal mines | 用于平巷、斜巷及機(jī)電硐室 Served in level,slanted channelspower house |
MHJYV | 煤礦用加強(qiáng)型線芯聚乙烯絕緣聚氯乙烯護(hù)套通信電纜 Reinforced core PE insulated PVC sheathed communication cables for coal mines | 用于機(jī)械損傷較高的平巷和斜巷 Served in levelslanted channels where mechanical damage is frequent |
MHYBV | 煤礦用聚乙烯絕緣鍍鋅鋼絲編織鎧裝聚氯乙烯護(hù)套通信電纜 PE insulated galvanized steel wire weave armored PVC sheathed communication cables for coal mines | 用于機(jī)械沖擊較高的平巷和斜巷 Served in levelslanted channels where mechanical damage is frequent |
MHYAV | 煤礦用聚乙烯絕緣鋁-聚乙烯粘護(hù)層聚氯乙烯護(hù)套通信電纜 PE insulated Al/PE binding layer PVC sheathed communication cables for coal mines | 用于較潮濕的斜井和平巷 Served in levelslanted channels with high humidity |
MHYA32 | 煤礦用聚乙烯絕緣鋁-聚乙烯粘結(jié)護(hù)層鋼絲鎧裝聚氯乙烯護(hù)套通信電纜 PE insulated Al/PE binding layer steel wire armored PVC sheathed communication cables for coal mines | 用于豎井或斜井 Served in shaftslanted shaft |
礦用通信電纜型號(hào):MHYV MHYAV
MHYV 1×2 2×2 1×4 5×2 ×7/0.28礦用通信電纜用于平巷斜巷及機(jī)電硐室
MHJYV 4/0.28銅線+3/0.28鋼線 1×2 2×2礦用通信電纜用于機(jī)械損傷較高平巷和斜巷
MHYAV 1/0.8 20×2 30×2 50×2 ×0.8 礦用通信電纜用于較潮濕的斜井和平巷
MHYA32 30×2 50×2 80×2 ×0.8鋼絲鎧裝聚氯乙烯護(hù)套礦用通信電纜用于豎井和斜井
主要技術(shù)性能及指標(biāo)
20℃時(shí)導(dǎo)體直流電阻 Ω/km 7/0.28 ≤45 7/0.283鋼4銅≤73 1/0.8≤36.7
固有衰減(800~1000HZ) dB/km ≤1.1 ≤1.3 ≤0.95
20℃時(shí)電纜絕緣線芯絕緣電阻 MΩ.km ≥3000
線對(duì)工作電容(800~1000HZ) uF/km ≤0.06
近端串音衰減(800~1000HZ) dB/500m ≥70
電感(800~1000HZ) uH/km ≤800
耐交流工頻電壓 1.5KV/1min通過
直流電阻差 ≤環(huán)阻的2%
礦用通信電纜的使用特性
導(dǎo)體的長(zhǎng)期允許工作溫度-40~+50℃;
平均zui大相對(duì)濕度為≤95%(+25℃時(shí))
允許附設(shè)與安裝的溫度應(yīng)不大于-10℃
zui小彎曲半徑:MHYV、MHJYV型電纜為電纜外徑的10倍,其它型號(hào)的電纜為外徑的15倍