100对矿用通讯电缆亳州5X2X0.5
Purpose of HYAT solid insulated filled cable: solid insulated filled cable is suitable for the urban telecommunication line of the local telecommunication network in the town of wuyu, and also for the special network line connecting to the public network. Mainly used for pipeline laying. The inner and outer surfaces of the cable core and the shield layer are filled with oil paste and poured to prevent water intrusion. The mechanical and electrical properties of the cable remain unchanged under conditions of 30~C - 60~C. Structure: wire: annealed bare copper wire, copper wire diameter 0. 32, 0. 40, 0. 50, 0. 60, 0. 70, 0. 80, 0. 90 (mm). Insulating material: high density polypropylene or polypropylene, colour of the insulated wire as indicated by full chromatograph. Pair of insulated wires: twist two different colored insulated wires into pairs at different pitch and use the specified chromatographic combination to identify pairs. Core structure: with 25 pairs as the basic unit, more than 25 pairs of cables are assembled according to the unit, each unit is wired with the unit of specified chromatogram to identify different units. 100 pairs of cables with more than one pair of cables plus 1% of the reserve pair, but not more than 6 pairs. The gap in the core is filled with oil paste. Core tape: wrap with a polygrease film tape. Shielding: metal strip with or without striping, which is longitudinal wrapped outside the core of the cable. Sheath: black low density polymer. Double sheathed cables can also be provided. Identification and marking: cable outer surface sexual identification mark, mark at no more than alternate 1 m intervals, tag contents are: the diameter of wire, line number, cable type, factory name and year of manufacture, marking at no more than alternate 1 m intervals to mark on the surface, but with the tag stagger. Other structures: according to the needs of users, we can provide armored cables HYAT53, HYAT55 and high frequency isolation cables YATG with strengthened mechanical protection layer.
矿用通信电缆适用于煤矿管网的管道铺设,主要用于管道敷设。在缆芯中和屏蔽层的内外表面用石油膏填充或浇注处理,以防止煤矿中水分侵入。在煤矿常见的30~C一60~C的环境条件下,煤矿用通信电缆的机械和电气性能保持不变。用于平巷、斜巷及机电硐室做通信线以及用于平巷,竖井或斜井作主信号传输。
MHYV电缆、煤矿用通信电缆、煤矿用信号电缆、煤矿用通讯电缆、MHY32电缆、PUYV电缆,MHYVP电缆、MHYVR电缆、阻燃煤矿用通信电缆 、矿用监测电缆、PUYVR电缆、矿用电话线、矿用监控电缆\矿用电话电缆。
执行标准:企标Q/TX002-2006 本标准适用于煤矿用铜芯聚乙烯护套固定和移动类通信阻燃电缆。
煤矿用阻燃通信电缆……mh 聚乙烯绝缘……Y 铜质线芯……省落 铝-聚乙烯粘结护层……A 聚乙烯内护层……省落 铜丝编织铠装……B 蓝阻燃聚氯乙烯护套……V 钢丝铠装蓝阻燃聚氯乙烯护套……32 铜丝编织屏蔽……P 软质线芯……R 符合:MT386-1995《煤矿用阻燃电缆阻燃性的试验方法和判定规则》及Q/TX 002-2006 《煤矿用阻燃通信电缆》
电动葫芦电缆-电动葫芦专用电缆-电动葫芦带丝绳专用电缆使用特性:额定电压:U0/U0.6/1KV及以下最高工作温度:100℃最低环境温度:固定敷设-40℃简单介绍HYA电缆色谱-HYAT电缆色谱-HYAC电缆色谱-以及计算机电缆都采用此标准电缆色谱电缆色谱的详细介绍国际布线标准电缆色谱:主色:白--。
The cable is insulated by full-chromatograph solid polycondensation. The insulated wire is twisted into a pair of twisted wires. Suitable material of cable core is added to the cable core, and the plastic coated aluminum band shielding layer and the black outer expansion sleeve with the length mark in the counting order can be completed. Junction wire: solid annealed copper wire. Copper wire diameter is 0.32, 0.4, 0.6, 0.8 (mm).
在使用梯子之前,要仔细检查梯子的焊点、铆钉、踏蹬连接处等是否松动。如果有任何以上问题的梯子都不要使用。为了使用安全,梯子要放置在水平地面上,顶端避开上方的危险物,比如高压线等。直梯的低端要保证在75.5度安全角度,或者,保证底边和斜边为4:1的比率。最简单的方法就是用脚趾头砥住梯子角,伸直手臂,手掌能手握住梯子为好。在攀爬梯子时,始终要保证手脚抓住梯子,绝不要一只手或双手扛着东西爬梯子。当梯子爬到高处时,需要让梯子高出屋顶3英尺(.91米)。
单芯电线4平方电线用于3匹空调以上,单芯电线6平方电线用于总进线,双色线用于接地线。二芯、三芯护套电线是做明线使用,多用于工地上施工用,家装不太用到。三芯护套电线2.5平方可用于柜式空调上用。聚氯乙烯绝缘矿用电话执行标准:YD/T产品用途:本产品适用于固定敷设在矿井、巷道等作通信干线及分线箱与电话机的连接线。
矿用通信电缆结构:1、导线:退火裸铜线,铜线直径为0.30,0.42,0.52,0.60,0.70,0.80,0.90(mm)。 2、绝缘材料:高密度聚乙烯或聚丙烯,按照全色谱标准标明绝缘线的颜色。 3、绝缘线对:把二根不同颜色的绝缘线按不同的节距扭绞成对,并采用规定的色谱组合以便识别线对。 4、通信电缆缆芯结构:以1对为基本单位,超过25对的电缆按单位组合,每个单位用规定色谱的单位扎带绕扎,以便识别不同的单位。100对及以上线对的电缆加有1%的预备线对,但最多不超过6对。缆芯内的间隙用石油膏填充。 5、缆芯包带:用聚脂薄膜带绕包。 6、屏蔽:铜丝屏蔽或用轧纹(或不轧纹)金属带,金属带纵包于通信电缆缆芯包带之外。 7、护套:蓝色低密度聚乙烯。也可提供双层护套的通信电缆。
一般采取12~15µm的铝基可以解决这个问题。2、选择PE在使用频率内的较大,如达到x×10-3级别,则会造成绝缘结构的增大,从而使电缆的衰减增大。要注意2个问题,一是要小(如在400MHz时的tan为2~4×10-4,越小越好),一是工艺性能应适应与绝缘的挤出,不同的熔融指数有不同的温度。
产品标准:YD/T产品型号:ZA-RVV(ZRRVVZRVVRRVVZ)通信电源用阻燃软电缆ZA-RVV22(ZRRVV22ZRVVR22RVVZ22)通信电源用阻燃钢带铠装软电缆本产品适用于架空、管道、室内电缆沟、地下直埋。
煤矿屏蔽电缆MHYVP煤矿用阻燃屏蔽通信电缆MHYVP;MHYVRP,煤矿用阻燃通信电缆;MHYVRP;MHYVP,煤矿用阻燃屏蔽通信电缆MHYVP;MHYVRP的详细信息!煤矿用阻燃屏蔽通信电缆MHYVP;MHYVRP屏蔽煤矿用信号电缆MHYVP 1×2 1×4 2×2 3×2 4×2 5×2 ×7/0.28 0.3屏蔽煤矿用信号电缆MHYVP 1×2
1×4 2×2 3×2 4×2 5×2 ×7/0.28 0.3煤矿用信号电缆(屏蔽信号电缆)
中国是全球最大的紧固件生产国,近几年来中国紧固件行业正处于快速发展时期,制造技术水平逐步提高,且劳动力成本相对低廉,世界紧固件产业分工格局正发生变化。但国外厂商不惜以倾销等不正当手段加紧抢占中国****,国内紧固件行业受到了极大的冲击和挑战,国内紧固件产业发展很艰难。近两年,随着人民币进入升值通道、原材料价格上涨、劳动力成本增加、土地厂房租金价格上涨等因素的影响,我国紧固件产品的低成本竞争优势正逐渐弱化,市场空间被挤压如此,大大小小的紧固件企业依旧为了各自的销售目标摩拳擦掌,暗自较劲,力图一争高低。
But cable has low smoke zero halogen resistance to fire and be capable of or delay the flame spread, and, once the fire, it is halogen free, low smoke, and no corrosion features, applicable to such as high-rise buildings, hotels,, subway, nuclear power plants, power plants, mining, petroleum, chemical industry, etc.