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型 號(hào)model |
名 稱desc-riptions |
使 用 范 圍scope of application |
| mhvvhuvv | 煤礦用聚氯乙烯絕緣阻燃聚氯乙烯護(hù)套電話電纜pvc insulated fire retardant pvc sheathed telephone cables for use in mines | 礦井中一般場(chǎng)合general circumstances in mines |
| mhvvrhuvvr | 煤礦用聚氯乙烯絕緣阻燃聚氯乙烯護(hù)套軟電話電纜pvc insulated fire retardant pvc sheathed soft telephone cables for use in mines | 礦井中分線盒、分線箱與電話機(jī)連接的場(chǎng)合where connection between junction boxtelephone is required in mines |
| mhvv22huvv22 | 煤礦用聚氯乙烯絕緣鋼帶鎧裝阻燃聚氯乙烯護(hù)套電話電纜pvc insulated steel tape armored fire retardant pvc sheathed telephone cables for use in mines | 礦井中承受一定沖擊力和壓力的場(chǎng)合where cables are under some impactpressure in the mine |
| mhvv32huvv32 | 煤礦用聚氯乙烯絕緣細(xì)圓鋼絲鎧裝阻燃聚氯乙烯護(hù)套電話電纜pvc insulated fine round steel wire armored fire retardant pvc sheathed telephone cables for use in mines | 礦井中垂直敷設(shè)或承受較大拉力的場(chǎng)合vertically laid or laid where the cables are under big impactpull force in mines |
| mhyvhuyv | 煤礦用聚乙烯絕緣阻燃聚氯乙烯護(hù)套電話電纜pe insulated fire retardant pvc sheathed telephone cables for use in mines | 礦井中一般場(chǎng)合general circumstances in mines |
| mhyvrhuyvr | 煤礦用聚乙烯絕緣阻燃聚氯乙烯護(hù)套軟電話電纜pe insulated fire retardant pvc sheathed soft telephone cables for use in mines | 礦井中一般場(chǎng)合general circumstances in mines |
| mhyv22huyv22 | 煤礦用聚乙烯絕緣鋼帶鎧裝阻燃聚氯乙烯護(hù)套電話電纜pe insulated steel tape armored fire retardant pvc sheathed telephone cables for use in mines | 礦井中承受一定沖擊力和壓力的場(chǎng)合where cables are under some impactpressure in the mine |
| mhyv32huyv32 | 煤礦用聚乙烯絕緣細(xì)圓鋼絲鎧裝阻燃聚氯乙烯護(hù)套電話電纜pe insulated fine round steel wire armored fire retardant pvc sheathed telephone cables for use in mines | 礦井中垂直敷設(shè)或承受較大拉力的場(chǎng)合vertically laid or laid where the cables are under big impactpull force in mines |
| 電纜長(zhǎng)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(shí)環(huán)境相對(duì)濕度environment relative humidity at 25℃ | ≤95% |
| 電纜的最小彎曲半徑minimun bending radius | mhvv mhyv mhvvr mhyvr 型電纜為電纜外徑的15倍，其它型號(hào)為外徑的20倍15 times of the cable outer diameter of mhvv mhyv mhvvr mhyvr,20times for the rest |
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型 號(hào)model |
規(guī) 格specifications |
導(dǎo)體結(jié)構(gòu)（根數(shù)/直徑）mm conductor structurenumber/diameter |
| mhyvr mhvvr | 1x2 | 1/0.28鍍錫銅線 +6/0.28鍍錫鋼線1/0.28 tinned copper wire +6/0.28 tinned steel wire |
| mhvv22 mhvv32 mhyv22 mhyv32 | 2x2-100x2 | 1/0.5; 1/0.8 |
| mhvv mhyv | 1x2-100x2 | 1/0.5; 1/0.8 |
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型 號(hào)model |
+20℃導(dǎo)體直流電阻（≤ω/km）dc resistance of conductor at 20℃ |
固有衰減（800hz）≤db/km intrinsic attenuation |
|
mhvvr mhyvr |
260 |
4.63 |
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mhvv22 mhvv32 mhyv22 mhyv32 mhvv mhyv |
95（0.5mm）; 36.70.8mm |
1.320.5mm; 0.950.8mm |
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序 號(hào)serial number |
項(xiàng) 目items |
型 號(hào)model:mhvv mhvvr mhvv22 mhvv32 |
型 號(hào)model:mhyv mhyvr mhyv22 mhyv32 | |
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1 |
+20℃線芯導(dǎo)體直流電阻（ω/km）line core dc resistance at 20℃ | 見上表 see above table | ||
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2 |
電纜固有衰減（≤dm/km）cable intrinsic attenuation | 見上表 see above table | ||
|
3 |
+20℃絕緣電阻（≥mω·km）insulating resistance at 20℃ | 110 ; 40mhvvr | 3000 ; 110mhyvr | |
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4 |
1min工頻交流電壓試驗(yàn)lmin power frequency alternating current pressure test | 芯-芯core - core芯-鎧裝層core - armoring | 1000v不擊穿 1000v no breakdown | 1500v不擊穿1500v no breakdown |
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5 |
工作電容（≤μf/km）service capacity | 0.12 | 0.06 | |
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6 |
單根垂直燃燒試驗(yàn)single wire burning test | mt386 | ||
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7 |
成束燃燒試驗(yàn)group burning test | 符合gb/t 18380.3標(biāo)準(zhǔn)中b類成束試驗(yàn)要求conforms to gb/t18380.3 standard b types group test | ||
公司名稱：天津市電纜總廠第一分廠
銷售部總經(jīng)理：畢敬軒
辦公室電話：0316-5962862 0316-5962565
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