行业产品

  • 行业产品
  • 二手产品

矿用通信电缆厂-天津电缆总厂第一分厂


经营模式:经销商

商铺产品:11条

所在地区:河北

联系人:张庆军 (销售部经理)

技术文章

矿用通信电缆

阅读:361发布时间:2007-8-5

矿用通信电缆

fire retardant control cables in mines

产品用途:产品用于煤矿井下通信干线、配线和用户线路。
scope of application:the product uses in the coal mine mine shaft ephone communication skeleton line, matches the line and the subscriber"s loop
执行标准 standards implemented:mt 818-1999
型号、名称及使用范围
model、desc-riptions and use scope
 
型号
model

desc-riptions
使
use scope
mhyv
煤矿用聚乙烯绝缘聚氯乙烯护套通信电缆
pe insulated pvc sheathed communication cables for coal mines
用于平巷、斜巷及机电硐室
served in level,slanted channels and power house
mhjyv
煤矿用加强型线芯聚乙烯绝缘聚氯乙烯护套通信电缆
reinforced core pe insulated pvc sheathed communication cables for coal mines
用于机械损伤较高的平巷和斜巷
served in level and slanted channels where mechanical damage is frequent
mhybv
煤矿用聚乙烯绝缘镀锌钢丝编织铠装聚氯乙烯护套通信电缆
pe insulated galvanized steel wire weave armored pvc sheathed communication cables for coal mines
用于机械冲击较高的平巷和斜巷
served in level and slanted channels where mechanical damage is frequent
mhyav
煤矿用聚乙烯绝缘铝-聚乙烯粘护层聚氯乙烯护套通信电缆
pe insulated al/pe binding layer pvc sheathed communication cables for coal mines
用于较潮湿的斜井和平巷
served in level and slanted channels with high humidity
mhya32
煤矿用聚乙烯绝缘铝-聚乙烯粘结护层钢丝铠装聚氯乙烯护套通信电缆
pe insulated al/pe binding layer steel wire armored pvc sheathed communication cables for coal mines
用于竖井或斜井
served in shaft and slanted shaft
使用特性 service characteristics
电缆*允许工作温度 long-term service temperature of the cable conductor
-40℃-+50℃
电缆敷设温度 cable laying temperature
≥-10℃
+25℃时环境相对湿度
environment relative humidity at 25℃
≤95%
电缆的zui小弯曲半径 minimun bending radius
mhyvmhjyv型电缆为电缆外径的10倍,其它型号为外径的15 10 times of the cable outer diameter of mhjyv, and 15times for the rest
电缆规格 specifications

model

specifications
导体结构/直径)mm
conductor structure(number/diameter)
mhyv
1x22x21x45x2
7/0.28
mhjyv
1x22x2
4/0.28铜线+3/0.28钢线 4/0.28
copper wire +3/0.28 steel wire
mhybv
5x210x220x2
1/0.8
mhyav
20x230x250x2
mhya32
30x250x280x2
电缆主要技术性能 major technical performances

model
20℃时导体直流电阻
dc resistance of conductor at 20℃
≤ω (
/km)
固有衰减(800hz)
intrinsic attenuation
≤( ,db/km)
mhyv
45
1.10
mhjyv
73
1.30
mhybv mhyav mhya32
36.7
0.95
2、电缆其它主要技术性能 other major technical performances
( mhyv、mhjyv、mhybv mhyav、mhya32)

serial number
项目
items
技术性能
technical performances
1
+20℃线芯直流电阻(≤ω/km)
line core dc resistance at 20℃
见上表 see above table
2
电缆固有衰减(≤db/km)
cable intrinsic attenuation
见上表 see above table
3
+20℃绝缘电阻(≥mω km) insulating resistance at 20℃
3000
4
lmin工频交流电压试验
lmin power frequency alternating current pressure test
1500v不击穿(50hz)
1500v does not penetrate
5
远端串音衰减(≥db/500)
far-end crosstalk attenuation
70(800hz)
6
电感(≤μh/km)
inductance
800(800hz)
7
电缆工作电容(≤μf/km)
cable service capacity
0.06(800hz)
8
工作对直流电阻差(≤%环阻
dc resistance difference
2
9
单根垂直燃烧试验
combustion for single cable test
mt386
10
成束燃烧试验
combustion for bunched cable test
符合gb/t18380标准中b类成束燃烧试验要求
conforms to gb/t18380 standard b kind becomes ties the burning test
 

亚洲建材网 设计制作,未经允许翻录必究 .      Copyright(C) 2021 https://www.a-bm.cn,All rights reserved.

以上信息由企业自行提供,信息内容的真实性、准确性和合法性由相关企业负责,亚洲建材网对此不承担任何保证责任。 温馨提示:为规避购买风险,建议您在购买产品前务必确认供应商资质及产品质量。

会员登录

×

请输入账号

请输入密码

=

请输验证码

收藏该商铺

登录 后再收藏

提示

您的留言已提交成功!我们将在第一时间回复您~