Identification and length marking: there is a sexual identification mark on the cable appearance, and the marking interval is not more than 1m.
阻燃电缆还应符合IEC332-3标准的技术条件型号产品名称电压V芯数截面mm2主要适用范围KVV阻铜芯聚氯乙烯绝缘聚氯乙烯护套kvv电缆450/7504-370.75-10敷设在室内，电缆沟、管道等固定场合KVV22铜芯聚氯乙烯绝缘聚氯乙烯护套钢带铠装kvv22电缆450/7。
Flame-retardant cables: • cables used in electrical equipment for electrical equipment connection lines, internal or external wiring
WDZA-YJY23/WDZB-YJY23/WDZC-YJY23WDZA-YJLY23/WDZB-YJLY23/WDZC-YJLY23交联聚乙烯绝缘钢带铠装聚烯烃护套A(B、C)类阻燃电力电缆适宜对阻燃且无卤低烟有要求时埋地敷设，不适宜管道内敷设。
KYJV22ZR-KYJV22铜芯交联聚乙烯绝缘聚氯乙烯护套钢带铠装控制电力电缆敷设在室内、电缆沟、管道、直埋等能承受较大机械外力等固定场合。KYJV32ZR-KYJV32铜芯交联聚乙烯绝缘聚氯乙烯护套细钢丝铠装控制电力电缆敷设在室内、电缆沟、管道、竖井等能承受较大机械拉力等固定场合。
DCS和PLC控制器的差别DCS和PLC控制器的主要差别是在开关量和模拟量的运算上，即使后来两者相互有些渗透，但是仍然有区别。80年代以后，PLC除逻辑运算外，也增加了一些控制回路算法，但要完成一些复杂运算还是比较困难，PLC用梯形图编程，模拟量的运算在编程时不太直观，编程比较麻烦。但在解算逻辑方面，表现出快速的优点。而DCS使用功能块封装模拟运算和逻辑运算，无论是逻辑运算还是复杂模拟运算的表达形式都非常清晰，但相对PLC来说逻辑运算的表达效率较低。
电力电缆，铠装电缆，地埋电缆一、产品简介： 电力电缆用输配电系统，本公司生产的交流额定电压0.6/1KV聚氯乙烯绝缘电力电缆和35KV及以下交联聚乙烯电力电缆，其性能不仅符合标准GB1276和IEC60502及IEC60840，并且已形成系列，即阻燃型的、耐火型的、耐寒型的和防水型的电力电缆。
HYAT，HYAT53实心绝缘填充型通信电缆根据用户需要，可提供有加强机械保护层的铠装电缆HYAT53，HYAT53及高频隔离充油通信电缆，HYAT充油通信电缆，50对HYAT53通信电缆，100对通信电缆，500对通信电缆，1000对通信电缆，2000对通信电缆，2600对市内通信电缆。
2.屏蔽通信电缆绝缘电气强度：导体之间1min1kv不击穿导体与屏蔽1min3kv不击穿3.屏蔽通信电缆绝缘电阻：每根芯线与其余线芯接地，HYA电缆大于10000MΩ.km,HYAT电缆大于3000MΩ.km。
HJVV, HJVVP, HPVV communication cable: mainly used for transmitting audio, 150kHZ and below analog 2048kbit/s and below. Under certain conditions, it can also be used to transmit Numbers over 2048kbit/s. Used for short distance transmission. New sales department of our factory, micro: 15075619608? ? QQ is not convenient to contact! ? HJVV, HJVVP, HPVV communication cable is introduced: used for distribution frame or switch to switch the internal connection between the device (including rural telephone bureau), such as the beginning of the line and terminal, for connecting the city telephone cable to the junction box or distribution frame, inner conductor wire diameter (mm) : 0.40, 0.50, 0.60, 0.70, 0.80, 0.90? Logarithm (yeah) : 5-1000? HPVV low frequency communication distribution cable distribution cable Broadband/product use: suitable for transmission between remote optical network units and users, and between buildings in building wiring. The high transmission is 30MHz and 100MHz respectively.
Our factory was founded in 1971, is a production and sales of various kinds of flame retardant communication cable, shielded cable for mine, mine screen communication cable, mine telephone cable, shielded cable for mine, mine fire retardant cable, flame retardant cable, mining flame-retardant control cable, communication cable, mining cable, flame retardant mining communication cable, communication cable, mine cable, mine, mine control cable, cable for mine monitoring, sensors, cable, cable, control cable, computer cable, flame retardant cable, shielded cable. City communication cable, railway cable, power line, electrical equipment wire and cable, video line, special cable. And other professional manufacturers. Enterprises with more than 300 employees, engineering and technical personnel more than 30 people, the factory goes to 20000 square meters, owns fixed assets of 15 million yuan, the total number of companies have production and inspection equipment more than 120 units (pieces), annual output value of 150 million yuan.
MKVV电缆,MKVVP电缆,MKVVP2电缆,MKVV22电缆,MKVV32电缆,MKVVR电缆,MKVVRP电缆,MKVVP22电缆等规格型号的煤矿用阻燃控制电缆，推荐电缆芯数为2,3,4,5,7,8,10,12,14,16,19,24,27,30,37,44,48,52,61芯MKVV煤矿用控。
井道在各楼层设有门厅及呼梯设备。门厅有门厅门，厅门顶部装有楼层指示灯，用于指示电梯的运行方向及电梯所在的位置。门厅里还设有呼梯盒，用于在每层站召唤电梯。呼梯盒常安装在厅门外离地面1m左右的墙壁上，基站与顶站的呼梯盒上只有一个按钮，中间层站的呼梯盒上有上呼和下呼两个按钮，按钮下带有呼梯记忆灯。基站的呼梯盒上还设有钥匙开关，供司机开关电梯。为了实现轿厢的正常运行及准确停车，井道中往往要安装许多定位装置及安全设备。
NH-KYDYD低烟无卤阻燃聚烯烃绝缘和护套耐火控制电缆。NH-KYDYDP低烟无卤阻燃聚烯烃绝缘和护套铜丝编织屏蔽耐火控制电缆。NH-KYDYDP2低烟无卤阻燃聚烯烃绝缘和护套铜丝编织屏蔽耐火控制电缆。
自承式电缆识别和长度标记：电缆外表面有**性识别标记，标记间隔不大于1m，标记内容有：导线直径，线对数量，电缆型号，制造厂厂名代号及制造年份，长度标记以间隔不大于1m标记在表面上综合纽绞铁路信号电缆执行标准GB/T。