產(chǎn)品用途:產(chǎn)品用于煤礦井下電話通信干線、配線和用戶線路。

Scope of application:The product uses in the coal mine mine shaft telephone communication skeleton line, matches the line and the subscriber's loop

執(zhí)行標準 Standards implemented:MT 81814-1999

型號
Model

名 稱
Descriptions

使 用 范 圍
Use scope

MHYV

煤礦用聚乙烯絕緣聚氯乙烯護套通信電纜
PE insulated PVC sheathed communication cables for coal mines

用于平巷、斜巷及機電硐室
Served in level,slanted channels and power house

MHJYV

煤礦用加強型線芯聚乙烯絕緣聚氯乙烯護套通信電纜
Reinforced core PE insulated PVC sheathed communication cables for coal mines

用于機械損傷較高的平巷和斜巷
Served in level and slanted 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套通信電纜
PE insulated galvanized steel wire weave armored PVC sheathed communication cables for coal mines

用于機械沖擊較高的平巷和斜巷
Served in level and slanted channels where mechanical damage is frequent

MHYAV

煤礦用聚乙烯絕緣鋁-聚乙烯粘護層聚氯乙烯護套通信電纜
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 level and slanted channels with high humidity

MHYA32

煤礦用聚乙烯絕緣鋁-聚乙烯粘結(jié)護層鋼絲鎧裝聚氯乙烯護套通信電纜
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 shaft and slanted shaft

電纜長期允許工作溫度 Long-term service temperature of the cable conductor

-40℃- 50℃

電纜敷設(shè)溫度 Cable laying temperature

-10℃

25℃時環(huán)境相對濕度
Environment relative humidity at 25℃

95%

電纜的最小彎曲半徑 Minimun bending radius

MHYV及MHJYV型電纜為電纜外徑的10倍，其它型號為外徑的15倍 10 times of the cable outer diameter of MHJYV, and 15times for the rest

型 號
Model

規(guī) 格
Specifications

導體結(jié)構(gòu)(根/直徑)mm
Conductor structure(number/diameter)

MHYV

1x2、2x2、1x4、5x2

7/0.28

MHJYV

1x2、2x2

4/0.28銅線 3/0.28鋼線 4/0.28
copper wire 3/0.28 steel wire

MHYBV

5x2、10x2、20x2

1/0.8

MHYAV

20x2、30x2、50x2

MHYA32

30x2、50x2、80x2

型 號
Model

20℃時導體直流電阻
DC resistance of conductor at 20℃
( ， /km)

固有衰減(800Hz)
Intrinsic attenuation
( ,dB/km)

MHYV

45

1.10

MHJYV

73

1.30

MHYBV MHYAV MHYA32

36.7

0.95