礦用通信電纜MHYVRP1×4×42/0.15帶煤安證-國(guó)產(chǎn)精品欲色av夜夜嗨|革命練習(xí)曲

礦用通信電纜MHYVRP1×4×42/0.15礦用通信電纜MHYVRP1×4×42/0.15

煤礦用阻燃通信電纜礦用通信電纜

FIRE-RETARDANT COMMUNICATION CABLES FOR COALMINES

產(chǎn)品用途:產(chǎn)品用于煤礦井下市話通信干線、配線和用戶線路。Scope of application:The product usesin the coal mine mine shaft telephone communication skeleton line,matches the line and the subscriber's loop執(zhí)行標(biāo)準(zhǔn) Standardsimplemented:MT 81814-1999 

型號(hào)、名稱及使用范圍礦用通信電纜

Model、Descriptions and Use scope

型號(hào)Model名 稱Descriptions使 用 范 圍 UsescopeMHYV煤礦用聚乙烯絕緣聚氯乙烯護(hù)套通信電纜PE insulated PVC sheathed communicationcables for coal mines用于平巷、斜巷及機(jī)電硐室Served in level,slanted channelsand power houseMHJYV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 PEinsulated PVC sheathed communication cables for coalmines用于機(jī)械損傷較高的平巷和斜巷Served in level and slanted channels wheremechanical damage is fre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PEinsulated galvanized steel wire weave armored PVC sheathedcommunication cables for coal mines用于機(jī)械沖擊較高的平巷和斜巷Served in leveland slanted channels where mechanical damage isfre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 bindinglayer PVC sheathed communication cables for coalmines用于較潮濕的斜井和平巷Served in level and slanted channels with highhumidityMHYA32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/PEbinding layer steel wire armored PVC sheathed communication cablesfor coal mines用于豎井或斜井Served in shaft and slanted shaft

使用特性 Service characteristics礦用通信電纜

電纜長(zhǎng)期允許工作溫度 Long-term service temperature of the cableconductor-40℃-+50℃電纜敷設(shè)溫度 Cable layingtemperature≥-10℃+25℃時(shí)環(huán)境相對(duì)濕度Environment relative humidity at25℃≤95%電纜的小彎曲半徑 Minimun bendingradiusMHYV及MHJYV型電纜為電纜外徑的10倍，其它型號(hào)為外徑的15倍 10 times of the cableouter diameter of MHJYV, and 15times for the rest

電纜規(guī)格 Specifications

型 號(hào)Model規(guī) 格Specifications導(dǎo)體結(jié)構(gòu)(根/直徑)mmConductorstructure(number/diameter)MHYV1x2、2x2、1x4、5x27/0.28MHJYV1x2、2x24/0.28銅線+3/0.28鋼線4/0.28copper wire +3/0.28 steelwireMHYBV5x2、10x2、20x21/0.8MHYAV20x2、30x2、50x2MHYA3230x2、50x2、80x2

礦用通信電纜

電纜主要技術(shù)性能 Major technical performances

1、電纜導(dǎo)體直流電阻及固有衰減 DC resistance of the conductor and Intrinsicattenuation礦用通信電纜

型 號(hào)Model20℃時(shí)導(dǎo)體直流電阻DC resistance of conductor at 20℃≤Ω ( ，/km)固有衰減(800Hz)Intrinsic attenuation≤(,dB/km)MHYV451.10MHJYV731.30MHYBV MHYAV MHYA3236.70.95

2、電纜其它主要技術(shù)性能 Other major technicalperformances

( MHYV、MHJYV、MHYBV MHYAV、MHYA32)

序 號(hào)Serial number項(xiàng)目Items技術(shù)性能Technicalperformances1+20℃線芯直流電阻(≤Ω/Km)Line core DC resistance at 20℃見上表 Seeabove table2電纜固有衰減(≤dB/Km)Cable intrinsic attenuation見上表 See abovetable3+20℃絕緣電阻(≥MΩ Km) Insulating resistance at20℃30004lmin工頻交流電壓試驗(yàn)lmin power frequency alternating currentpressure test1500V不擊穿(50Hz)1500V Does notpenetrate5遠(yuǎn)端串音衰減(≥dB/500)Far-end crosstalkattenuation70(800Hz)6電感(≤μH/Km)Inductance800(800Hz)7電纜工作電容(≤μF/Km)Cableservice capacity0.06(800Hz)8工作對(duì)直流電阻差(≤%環(huán)阻)DC resistancedifference29單根垂直燃燒試驗(yàn)Combustion for single cabletestMT38610成束燃燒試驗(yàn)Combustion for bunched cabletest符合GB/T18380標(biāo)準(zhǔn)中B類成束燃燒試驗(yàn)要求Conforms to GB/T18380 standard B kindbecomes ties the burning test

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