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煤礦用聚(氯)乙烯絕緣和聚氯乙烯護套電話電纜

煤礦用聚(氯)乙烯絕緣和聚氯乙烯護套電話電纜

PVC insulated and PVC sheathed telephone cables for use in mines

產品用途:本產品適用于固定敷設在礦井作通信干線及分線箱與電話機連接線

Scope of application:This product is fit for being laid in fixed placed in mines for the connection of communication trunk lines and junction box and telephones.

執行標準 Standards implemented: Q/3210HL29-2003

型號、名稱及使用范圍 Model descriptions and Use scope

型 號
Model
名 稱
Descriptions
使 用 范 圍
Scope of application
MHVV(HUVV) 煤礦用聚氯乙烯絕緣阻燃聚氯乙烯護套電話電纜
PVC insulated fire retardant PVC sheathed telephone cables for use in mines
礦井中一般場合
General circumstances in mines
MHVVR(HUVVR) 煤礦用聚氯乙烯絕緣阻燃聚氯乙烯護套軟電話電纜
PVC insulated fire retardant PVC sheathed soft telephone cables for use in mines
礦井中分線盒、分線箱與電話機連接的場合
Where connection between junction box and telephone is required in mines
MHVV22(HUVV22) 煤礦用聚氯乙烯絕緣鋼帶鎧裝阻燃聚氯乙烯護套電話電纜
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合
Where cables are under some impact and pressure in the mine
MHVV32(HUVV32) 煤礦用聚氯乙烯絕緣細圓鋼絲鎧裝阻燃聚氯乙烯護套電話電纜
PVC insulated fine round steel wire armored fire retardant PVC sheathed telephone cables for use in mines
礦井中垂直敷設或承受較大拉力的場合
Vertically laid or laid where the cables are under big impact and pull force in mines
MHYV(HUYV) 煤礦用聚乙烯絕緣阻燃聚氯乙烯護套電話電纜
PE insulated fire retardant PVC sheathed telephone cables for use in mines
礦井中一般場合
General circumstances in mines
MHYVR(HUYVR) 煤礦用聚乙烯絕緣阻燃聚氯乙烯護套軟電話電纜
PE insulated fire retardant PVC sheathed soft telephone cables for use in mines
礦井中一般場合
General circumstances in mines
MHYV22(HUYV22) 煤礦用聚乙烯絕緣鋼帶鎧裝阻燃聚氯乙烯護套電話電纜
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合
Where cables are under some impact and pressure in the mine
MHYV32(HUYV32) 煤礦用聚乙烯絕緣細圓鋼絲鎧裝阻燃聚氯乙烯護套電話電纜
PE insulated fine round steel wire armored fire retardant PVC sheathed telephone cables for use in mines
礦井中垂直敷設或承受較大拉力的場合
Vertically laid or laid where the cables are under big impact and pull force in mines

電纜結構示意圖

IIIustration of cable structure

 

使用特性 Service characteristics

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,其它型號為外徑的20倍
15 times of the cable outer diameter of MHVV MHYV MHVVR MHYVR and 20times for the rest

電纜規格 Specifications

型 號
Model
規 格
Specifications
導體結構(根數/直徑)mm
Conductor structure(number/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

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

型 號
Model
+20℃導體直流電阻(≤Ω/Km)
DC resistance of conductor at 20℃
固有衰減(800Hz)≤db/Km
Intrinsic attenuation
MHVVR MHYVR
260
4.63
MHVV22 MHVV32 MHYV22 MHYV32 MHVV MHYV
95(0.5mm); 36.7(0.8mm)
1.32(0.5mm); 0.95(0.8mm)

2、電纜其它技術性能 Other major technical performances

序 號
Serial number
項 目
Items
型 號Model:MHVV MHVVR MHVV22 MHVV32
型 號Model:MHYV MHYVR MHYV22 MHYV32
1
+20℃線芯導體直流電阻(Ω/Km)
Line core DC resistance at 20℃
見上表 See above table
2
電纜固有衰減(≤dm/Km)
Cable intrinsic attenuation
見上表 See above table
3
+20℃絕緣電阻(≥MΩ·Km)
Insulating resistance at 20℃
110 ; 40(MHVVR) 3000 ; 110(MHYVR)
4
1min工頻交流電壓試驗
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
5
工作電容(≤μF/Km)
Service capacity
0.12 0.06
6
單根垂直燃燒試驗
Single wire burning test
MT386
7
成束燃燒試驗
Group burning test
符合GB/T 18380.3標準中B類成束試驗要求
Conforms to GB/T18380.3 standard B types group test




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