国产三级伦理在线,久久久久黄久久免费漫画,成人国产精品日本在线,欧美美最猛性xxxxxx

    重慶MHYBV-7-1-50礦用電纜廠家推薦
    發(fā)布者:dianlan889  發(fā)布時(shí)間:2017-02-21 09:42:50  訪問次數(shù):72

    礦用信號(hào)電纜技術(shù)文件

    重慶MHYBV-7-1-50礦用電纜廠家推薦

     

    重慶MHYBV-7-1-50礦用電纜廠家推薦

     

    礦用信號(hào)電纜

    信號(hào)控制電纜FIRE-RETARDANT COMMUNICATION CABLES FOR COAL MINES(Signal electric cable)信號(hào)控制電纜

    礦用信號(hào)電纜用途:產(chǎn)品適用于煤礦井下監(jiān)測、控制系統(tǒng)作低頻信號(hào)傳輸線。

    Scope of application:The product is suitable for the coal mine mine shaft monitor, the control system makes the low-frequency signal transmission line

    信號(hào)控制電纜煤礦用通信電纜執(zhí)行標(biāo)準(zhǔn) Standards implemented: MT818-1999

    煤礦用通信電纜型號(hào)名稱及使用范圍 Model descriptions and Use scope

    信號(hào)控制電纜 號(hào)
    Model
    信號(hào)控制電纜

     
    Descriptions

    使   信號(hào)控制電纜
    Use scope

    MHYV(PUYV)

    聚乙烯絕緣聚氯乙烯護(hù)套礦用信號(hào)電纜
    PE insulated PVC sheathed communication cables for coal mine

    用于井下平巷、斜巷及機(jī)電硐室作普通信號(hào)傳輸
    Used in level; or slanted channels and power house

    MHYVR(PUYVR)

    聚乙烯絕緣聚氯乙烯護(hù)套礦用信號(hào)電纜
    PE insulated PVC sheathed communication cables for coal mine

    用于井下平巷、斜巷及機(jī)電硐室作普通信號(hào)傳輸
    Used in level; or slanted channels and power house

    MHYVP(PUYVP)

    聚乙烯絕緣銅絲編織屏蔽聚氯乙烯護(hù)套礦用信號(hào)電纜

    PE insulated copper wire weave shielded PVC sheathed communication cables

    用于井下干擾較大的場合作信號(hào)傳輸
    Served in coal mine where interference is strong

    MHYVRP(PUYVRP)

    聚乙烯絕緣聚氯乙烯護(hù)套銅絲編織礦用屏蔽信號(hào)軟電纜
    PE insulated copper wire weave shielded PVC sheathed communication soft cables

    用于井下干擾較大的場合作信號(hào)傳輸
    Served in coal mine where interference is strong

    MHYBV(PUYV31)

    聚乙烯絕緣鍍鋅鋼絲編織鎧裝聚氯乙烯護(hù)套礦用信號(hào)電纜
    PE insulated tinned steel wire weave armored PVC sheathed communication cables

    用于井下平巷或斜巷作主信號(hào)傳輸能承受一定的機(jī)械沖擊力
    Served in level and slanted channels where the mechanic impact is strong

    MHY32 (PUYV3939-1)

    聚乙烯絕緣聚氯乙烯護(hù)套鋼絲鎧裝礦用信號(hào)電纜
    PE insulated steel wire armored PVC sheathed communication cables

    用于豎井或斜井作主信號(hào)傳輸能承受較大的拉力
    Served as major signal line in shaft or slanted shaft in coal mines,capable of being under considerable pull force

     

    礦用信號(hào)電纜
    使用特性 Service characteristics

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

    70℃

    敷設(shè)溫度 Cable laying temperature

    ≥0℃

     

    +25℃時(shí)環(huán)境相對濕度 Environment relative humidity at 25℃

    ≤95%

    傳輸頻率 Transmission frequency of cable

    ≤30KHz

    礦用信號(hào)電纜的最小彎曲半徑 Minimun bending radius

    MHYVRMHYVRP型電纜為電纜外徑的10倍,其它型號(hào)為外徑的15
    10 times of the cable outer diameter of MHJYV, and 15times for the rest

    礦用信號(hào)電纜結(jié)構(gòu)示意圖
    IIIustration of cable structure

     

    礦用信號(hào)電纜規(guī)格 Specifications

    礦用信號(hào)電纜
    型號(hào)
    Model

    礦用信號(hào)電纜
    標(biāo)準(zhǔn)截面 Nominal sectional area(mm2)

    0.5

    0.75

    0.8 1.0

    1.5

    0.5

    0.75

    0.8

    1.0

    1.5  0.5

    0.75

    0.8

    1.0

    1.5

    -

     數(shù)Core No.

     數(shù)Pair No.

    導(dǎo)體結(jié)構(gòu)Conductor structure

    MHYV

    2-7

    2-10

    1/0.8
    7/0.30

    1/0.97
    7/0.37

    -

    1/1.13
    7/0.43

    1/1.38
    7/0.52

    MHYVR

    2-7

    2-10

    -

    42/0.15

    -

    32/0.20

    48/0.20

    MHYVP

    2-7

    2-10

    1/0.8
    7/0.30

    1/0.97
    7/0.37

    -

    1/1.13
    7/0.43

    1/1.38
    7/0.52

    MHYVRP

    2-7

    2-10

    -

    42/0.15

    -

    32/0.20

    48/0.20

    MHYBV

    2-7

    2-10

    -

    1/0.97
    7/0.37
    42/0.15

    1/1.0

    1/1.13
    7/0.43
    32/0.20

    1/1.38
    7/0.52
    48/0.20

    MHY32

    -

    3-7

    2-19

    -

    1/0.97
    7/0.37

    -

    1/1.13
    7/0.43

    1/1.38
    7/0.52

    礦用信號(hào)電纜主要技術(shù)性能 Major technical performances

    1、礦用信號(hào)電纜導(dǎo)體直流電阻和電纜固有衰減 DC resistance of the conductor and Intrinsic attenuation

    礦用信號(hào)電纜
    號(hào)Model

    標(biāo)稱截面
    Nominal sectional area
    mm2

    導(dǎo)  結(jié) 構(gòu) Conductor structure

    20℃時(shí)導(dǎo)體直流電阻
    DC resistance of the conductor at 20℃
    (≤Ω/Km)

    固有衰減 Intrinsic attenuation
    (800Hz) (≤dB/Km)

     Type

    根數(shù)/單線標(biāo)稱直徑 PC.No./Single track diameter(mm)

    MHYV
    MHYVR

    MHYVRP
    MHYVP

    MHYBV
    MHY32

    0.5

    1

    1/0.8

    36.0

    1.0

    2

    7/0.30

    36.0

    0.75

    1

    1/0.97

    24.5

    0.8

    2

    7/0.37

    24.5

    6

    42/0.15

    26.0

    0.8

    1

    1/1.0

    25.8

    0.7

    1.0

    1

    1/1.13

    18.1

    0.65

    2

    7/0.43

    18.1

    5

    32/0.20

    19.5

    1.5

    1

    1/1.38

    12.1

    0.5

    2

    7/0.52

    12.1

    5

    48/0.20

    13.3

    2、礦用信號(hào)電纜其它主要技術(shù)性能 Other major technical performances

    (型號(hào) Model:MHYV、MHYVR、MHYVRP、MHYVP、MHYBV、MHY32)

     號(hào)
    Serial number

    項(xiàng)目Items

    煤礦用通信電纜技術(shù)性能
    Technical performances

    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

    2

    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℃

    5000

    4

    礦用信號(hào)電纜lmin工頻交流電壓試驗(yàn) 
    lmin power frequency alternating current pressure test

    -
    Core - core
    -屏蔽
    Core - hield

    1500V不擊穿(50Hz)
    1500V Does not penetrate

    5


    工作電容(≤μF/Km) Cable service capacity

    0.06(800Hz)

    6


    遠(yuǎn)端串音衰減(≥dB/500) Far-end crosstalk attenuation

    70(800Hz)

    7


    電感(≤μH/Km) Inductance

    800(800Hz)

    8


    工作對直流電阻差(≤%環(huán)阻) DC resistance difference

    2

    9

    單根垂直燃燒試驗(yàn) Combustion for single cable test

    MT386

    10

    成束燃燒試驗(yàn) Combustion for bunched cable test

    符合GB/T18380標(biāo)準(zhǔn)中B類成束燃燒試驗(yàn)要求
    Conforms to GB/T18380 standard B kind becomes ties the burning test

           

    5×2×0.8 14 15 -煤礦用通信電纜阻燃耐火電纜nh-vvnh-vv22nh-yjvnh-yjv22nh-yjv32nh-vv32mhyvp(1×21×42×23×24×25×26×28×210×2)×7/0要求柔軟屏蔽等場合??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(hào)的電纜為外徑的15倍。 


    上一篇 云南省MHYBV-2*.25+5*0.75礦用電纜廠家直銷 http://www.jdzj.com/jdzjnews/23-43259144.html
來源:dianlan889
免責(zé)聲明:焊材網(wǎng)轉(zhuǎn)載作品均注明出處,本網(wǎng)未注明出處和轉(zhuǎn)載的,是出于傳遞更多信息之目的,并不意味 著贊同其觀點(diǎn)或證實(shí)其內(nèi)容的真實(shí)性。如轉(zhuǎn)載作品侵犯作者署名權(quán),或有其他諸如版權(quán)、肖像權(quán)、知識(shí)產(chǎn)權(quán)等方面的傷害,并非本網(wǎng)故意為之,在接到相關(guān)權(quán)利人通知后將立即加以更正。聯(lián)系電話:0571-87774297。
0571-87774297  
主站蜘蛛池模板: 奈曼旗| 临沂市| 长海县| 玉山县| 东丽区| 亚东县| 台安县| 义乌市| 大埔区| 丹江口市| 巴塘县| 阿坝| 新郑市| 柳江县| 济宁市| 古交市| 浪卡子县| 江孜县| 郑州市| 许昌县| 图片| 民丰县| 白水县| 漠河县| 沙洋县| 荆门市| 鹤峰县| 南和县| 泸州市| 科技| 厦门市| 开平市| 将乐县| 绥化市| 上栗县| 西林县| 叶城县| 柳河县| 濮阳市| 天全县| 井冈山市|