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  • 產品名稱:九游会登录地址

  • 產品型號:MHYV MHYVP
  • 產品廠商:九游会网站登录電纜
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詳情介紹:

煤礦用阻燃通信電纜九游会登录地址

FIRE-RETARDANT COMMUNICATION CABLES FOR COAL MINES

產品用途:產品用於煤礦井下電話通信幹線、配線和用戶線路。

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

執行標準 Standards implemented:MT 81814-1999

型號、名稱及使用範圍九游会登录地址

Model、Descriptions and Use scope

型號
Model
名 稱
Descriptions
使 用 範 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
用於平巷、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
用於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
用於機械衝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
用於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
用於豎井或斜井
Served in shaft and slanted shaft

使用特性 Service characteristics九游会登录地址

電纜長期允許工作溫度 Long-term service temperature of the cable conductor
-40℃-+50℃
電纜敷設溫度 Cable laying temperature
≥-10℃
+25℃時環境相對濕度
Environment relative humidity at 25℃
≤95%
電纜的*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

電纜規格 Specifications

型 號
Model
規 格
Specifications
導體結構(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
九游会登录地址


電纜主要技術性能 Major technical performances

1、電纜導體直流電阻及固有衰減 DC resistance of the conductor and Intrinsic attenuation九游会登录地址

型 號
Model
20℃時導體直流電阻
DC resistance of conductor at 20℃
≤Ω ( , /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

2、電纜其它主要技術性能 Other major technical performances

( MHYV、MHJYV、MHYBV MHYAV、MHYA32)

序 號
Serial number
項目
Items
技術性能
Technical performances
1
+20℃線芯直流電阻(≤Ω/Km)
Line core DC resistance at 20℃
見上表 See above table
2
電纜固有衰減(≤dB/Km)
Cable intrinsic attenuation
見上表 See above table
3
+20℃絕緣電阻(≥MΩ Km) Insulating resistance at 20℃ 3000
4
lmin工頻交流電壓試驗
lmin power frequency alternating current pressure test
1500V不擊穿(50Hz)
1500V Does not penetrate
5
遠端串音衰減(≥dB/500)
Far-end crosstalk attenuation
70(800Hz)
6
電感(≤μH/Km)
Inductance
800(800Hz)
7
電纜工作電容(≤μF/Km)
Cable service capacity
0.06(800Hz)
8
工作對直流電阻差(≤%環阻)
DC resistance difference
2
9
單根垂直燃燒試驗
Combustion for single cable test
MT386
10
成束燃燒試驗
Combustion for bunched cable test
符合GB/T18380標準中B類成束燃燒試驗要求
Conforms to GB/T18380 standard B kind becomes ties the burning test
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