煤礦用阻燃通信電纜(一)Mining Flame Retardant Communication Cable(1)
一、執行標準
MT81814-1999
Executive Standard
MT818.14-1999
電線電纜型號規格見表1)Models and specification ofcables and wires(see table 1)
表1 table 1
型號Model | 導體結構(根數/ 單絲直徑) Conductor structure(No.of cores/diameter or single core) | 對數 No.of pairs | 名稱 Desc riptions | 適用范圍 Scope of appl ication |
| MHYV | 7/0.28 | 1x2 2x2 1x4 5x2 | 煤礦用聚乙烯絕緣聚氯乙烯護套通信電纜PE insulated PVC sheathedcommunication cables for coal mines | 用于平巷斜巷及機電酮室 Served in level，slanted channelsａnd powrer house |
| MHJYV | 4/0.28銅線 +3/0.28鋼線 4/0.28 copper wire +3/028 steel wire | 1x2 2x2 | 煤礦用加強線芯聚乙烯絕緣聚氯乙娣護套通信電纜Reinforced core PE insulated PVC sheathedcommunication cables for coalmines | 用于機械損傷較高平巷和斜巷 Served in level and slanted channelswhere mechanical damage isfrequent |
| MHYBV | 1/0.8 | 5x2 10x2 20x2 | 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 weavearmored PVC sheathedcommunication cables for coal mines | 用于機械沖擊較高的平巷和斜巷 Served in level and slanted channelswhere mechanical damage isfrequent |
| MHYAV | 1/0.8 | 20x2 30x2 50x2 | 煤礦用聚乙烯絕緣鋁聚乙烯粘結層聚氯乙烯護套通信電纜 PEinsulated A/PE binding layer PVCsheathed communication cablesfor coal mines | 用于較潮濕的斜井和平巷 Served in level and slanted channelswith high humidity |
| MHYA32 | 1/0.8 | 30x2 50x2 80x2 | 煤礦用聚乙烯絕緣鋁聚乙烤粘結層鋼絲鎧裝聚氯乙烯護套通信電纜 PE insulated AI/PE binding layer steel wi rearmored PVC sheathedcommunication cables for coal mines | 用于豎井和斜井 Served in shaft and slanted shaft |
煤礦用阻燃通信電纜 Fire retardantcommunication cables for coal mines...........................................MH
銅質線芯 Copper core...........................................................................................................................省略omitted
聚乙烯絕緣 PEinsulation.............................................................................................................................................Y
鋁-聚乙烯粘結護層AI/PE binding layer sheath...................................................................................................A
編織鎧裝Weavedarmor...............................................................................................................................................B
聚氯乙烯護套 PVCsheath...........................................................................................................................................V
細圓鋼絲鎧裝、聚氯乙烯外被層Fine roundsteelwire armorandPVC outersheath.................................32
鋼銅加強線芯Steelstrengthen copper wire core................................................................................................J
三、產品表示方法Expression
產品用型號、規格表示。
如:1.具有30個對絞線芯的煤礦用聚乙烯絕緣鋁一聚乙烯粘結護層鋼絲鎧裝聚氯乙烯護套通信電纜，表示為:MHYA32 30x2
Models and specifications are expressed as the following:
1、PEinsulated Al/PE biding laver inner protected steel wirearmored PVC sheathed communication cable with 30twisted cores for coal mines is expressed as MHYA32 30x2
2、具有1個星絞線芯的煤礦用聚乙烯絕緣聚氯乙烯護套通信電纜，表示為:MHYV 1x4
2、PEinsulated PVC sheathed communication cable for coal mines with one twisted core is expressed as MHYV 1x4
四、產品結構簡圖 Illustration of product structure
五、產品結構尺寸及參數(見表3)Productstructure,size and parameters(see table3)
型號Model | 規格(對數x芯數) Specifications (Pair No.xCore No.) | 導體結構根數 /單線標稱直徑 Conductor structure Core number/diameter of single core | 絕緣標稱厚度(mm) Nominal thickness of insulation | 參考外徑(mm) Refe rence outer diameter |
| MHYV | 1x2 | 7/0.28 | 0.45 | ≤7.1 |
| 2x2 | 7/0.28 | 0.45 | ≤8.6 | |
| 1x4 | 7/0.28 | 0.45 | ≤8.0 | |
| 5x2 | 7/0.28 | 0.45 | ≤11.5 | |
| MHJYV | 1x2 | 4/0.28銅線+3/0.28鋼線4/0.28 copper wire+3/0.28 steel wire | 0.45 | ≤7.1 |
| 2x2 | 4/0.28銅線+3/0.28鋼線4/0.28 copper wire+3/0.28 steel wire | 0.45 | ≤8.6 | |
| MHYBV | 5x2 | 1/0.8 | 0.35 | ≤15.6 |
| 10x2 | 1/0.8 | 0.35 | ≤18.4 | |
| 20x2 | 1/0.8 | 0.35 | ≤23.4 | |
| MHYAV | 20x2 | 1/0.8 | 0.35 | ≤23.4 |
| 30x2 | 1/0.8 | 0.35 | ≤27.4 | |
| 50x2 | 1/0.8 | 0.35 | ≤32.6 | |
| MHYA32 | 30x2 | 1/0.8 | 0.35 | ≤32.6 |
| 50x2 | 1/0.8 | 0.35 | ≤37.3 | |
| 80x2 | 1/0.8 | 0.35 | ≤43.0 |
六、主要技術性能及指標 Majortechnicalperformances and parameters
七、電纜的使用特性Service characteristics
1、電纜導體的長期允許工作溫度-40~+50℃:
1，Long-term service temperature of the cable conductor:-40~+50℃
2、月平均**相對濕度為≤95%(+25℃時);
2、Maximum average relative humiditys95%(at+25℃)
3、電纜允許附設與安裝的溫度應不大于-10℃;
3、Temperature for laying and installing cables shall not be higher than- 10℃
4、電纜最小彎曲半徑:MHYV、MHJYV型電纜為電纜外徑的10倍，其它型號的電纜為外徑的15倍
4、Minimum bending radius: 10 times of the cable outer diameter forMHJYV:ａnd 15 times for the rest
