The type 23,22 has similar performance with double steel band wrapping. Armor communication cable sheath: black high-molecular weight low-density polyethylene or polyvinyl chloride sheath. Sheath thickness may depend on the basic cable outer diameter.
DJVPVDJYPVDJYJPV 编织分对屏蔽（铜丝或镀锡丝） DJVP2VDJYP2VDJYJP2V 铜塑复合膜分对屏蔽 DJVP3VDJYP3VDJYJP3V 铝塑复合膜分对屏蔽 DJVVPDJYVPDJYJVP 编织总屏蔽（铜丝或镀锡丝） DJVVP2DJYV。
塑料绝缘和护套耐火电力电缆一、产品特点及用途：本产品具有较高的耐火性能，在火焰燃烧情况下，一定时间内不发生短路和断路故障。
当火灾发生时能在一定时间内，能保障关键部位正常供电，有利于灭火及减小损失。
ZR-HYA53：铜芯实心聚烯烃绝缘挡潮层聚乙烯护套钢塑带铠装阻燃聚乙烯护套市内通信电缆ZR-HYAT53：铜芯实心聚烯烃绝缘填充式挡潮层聚乙烯护套钢塑带铠装阻燃聚乙烯护套市内通信电缆ZR-HYA22：铜芯实心聚烯烃绝缘挡潮层聚乙烯护套钢带铠装阻燃聚氯乙烯护套市内通信电缆ZR-HYA23：铜芯实心聚。
Some models of power cables: zr-yjv zr-yjlv zr-yjy zr-yjly zr-yjly zr-yjv22 zr-yjlv22 zr-yjv23 zr-yjv23 zr-yjlv23zr-yjlv3zr-yjv33 zr-yjlv32 zr-yjlv32 zr-yjlv33
如不测量角度，只能测出最大静态转矩TM。
滑轮重量法：如图下图所示，用滑轮和重物代替上图的转矩表。
依次改变重物W的重量，利用电位计或编码器测量角度，也能得到与转矩表相同的转矩曲线。
应力计和编码器：前述的两种方法转矩值需要人工读取，测量费时间，且无法自动得出转矩曲线。
相对的，如图下图所示，应变计式转矩计与光学式两轴编码器直接与步进电机连接，利用转矩计、编码器和记录仪，能连续测量静态转矩特性。
为了使电机旋转，须使用减速器降低电机转速，齿轮啮合引起的重量变化量很小，此时，须加上比转子惯量大十几倍的飞轮。
（3）低卤低烟阻燃PVC绝缘和护套：70℃；无卤低烟阻燃绝缘和护套：90℃和125℃两种。
3.最低环境温度：（1）阻燃聚氯乙烯绝缘和护套：固定敷设-40℃；非固定敷设-15℃；（2）氟塑料绝缘和护套：固定敷设-60℃；非固定敷设-20℃；4.电缆安全敷设温度不应低于0℃。
2：本安型热电偶用补偿导线IA-KX-GA-YVP聚乙烯绝缘聚氯乙烯护套铜丝编织屏蔽精密级K分度号本安热电偶补偿导线IA-KX-GA-YVRP聚乙烯绝缘聚氯乙烯护套铜丝编织屏蔽精密级K分度号本安热电偶补偿软导线IA-KX-HA-FFP氟塑料绝缘和护套铜丝编织屏蔽精密级K分度号本安热电偶补偿导线。
型号及名称：序号型号名称1KFF氟塑料绝缘和护套控制电缆2KFFP氟塑料绝缘和护套屏蔽控制电缆3KFFR氟塑料绝缘和护套控制软电缆4KFFRP氟塑料绝缘和护套屏蔽控制软电缆5KFV氟塑料绝缘聚氯乙烯护套控制电缆6KFVP氟塑料绝缘聚氯乙烯护套屏蔽控制电缆7KFVR氟塑料绝缘聚氯乙烯护套控制软电缆8K。
Product introduction - plastic insulated control cable | | KVV control cable KVVR control cable | | KVVP control cable shielding control cable KVVP | | KVVRP shielding control cable KVVP2 control cable | | KVVP2-22 control cable KVV22 sheathed control cable | control cable KVV | control cable KVVR | control cable KVVP | control cable KVVRP | control cable KVV22 product details: plastic insulated control cable: GB9330-88 scope of application: This product is fit for ac rated voltage up to and including 450/750 control, monitoring circuit and protection circuit using features: 1, the conductor long-term allowed working temperature is 70 ℃. 2, when laying temperature 0 ℃ or higher. 3. Small bending radius: 4. For unarmored cable, it should be no less than 6 times the outer diameter of the cable. 5. The cable with armor or copper shield shall not be less than 12 times the outer diameter of the cable. 6. The soft cable with screen shielding structure shall not be less than 6 times the outer diameter of the cable. 7. Model and name: KVV copper core PVC insulated PVC sheath control cable
20年后，电路设计一般是：进户线6—10mm2，照明2.5mm2，插座4mm2，空调6mm2专线。
单芯电线1.5平方电线，用于灯具照明，单芯电线2.5平方电线，用于插座。
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。
Spin cassette XF5-273 communication cable transfer box, adopting advanced technology at home and abroad, in accordance with the international advanced standard production in the eighty s of cable wiring e, for the city, the town of telecommunication network backbone cable and wiring cable transfer. Features: 1. The connection jumper adopts rotary clamp-type connection and is sealed with silica gel on the metal clip, because it is not only reliable and durable, but also easy to operate and repair without stripping. 2. The wiring terminals in the handover box shall be arranged in 25 pairs as a basic unit, consistent with the basic units of the local telephone cables and marked with Numbers on the terminals to facilitate construction and maintenance. 3. The structure, arrangement and installation dimensions of the wiring modules are exactly the same as those of 3M products and can be used for each other. 4. The box body is treated by electrostatic spraying, beautiful and generous, with clear lines, good anti-corrosion and waterproof performance and long service life. Main technical parameters: the environment temperature: - 40 ℃ ~ + 65 ℃ atmospheric pressure: 70 ~ 106 kpa relative humidity: 95% or less is random ends and insulation resistance between terminals and ground > 5 x 104 Μ Ω. When connecting any two ends and any terminals and grounding to 1000V ac, there shall be no breakdown or flying arc in 1min. Contact resistance between wire and terminal < 5 x lO - 3 Ω.
保证冷热出水口在同一平行线上，与墙面垂直。
洗手台水电改造洗手台出水口高度至少在450mm，需要安装八字阀。
下水管道施工千万注意，下水管道施工时，管槽同样需要做防水处理。
材料使用PVC水管，防止混用软管。
强电管和弱电管强电个弱电线管不能同槽铺设。
当电路铺设过程中，强电和弱电线管发生交汇时，需要裹上一层锡纸进行隔离，避免强电和弱电电流造成干扰。
电线穿管在把电线穿入线管内时，要避免穿太多的电线，截面面积不得超过线管截面的40%。
三、使用特性工频额定电压U0/U为450/750V或0.6/1KV。
电缆导体的充许长期最高工作温度为70℃。
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电缆敷设时环境温度应不低于0℃，若环境温度低于0℃时，应对电缆进行预热。
电缆的推荐充许弯曲半径如下：无铠装电缆，应不低于电缆外径的6倍；铠装或铜带屏蔽电缆，应不低于电缆外径的12倍；屏蔽软电缆，应不低于电缆外径的6倍。
充油电缆主要电气性能：1.充油电缆直流电阻:20℃,0.4≤1480.5 ≤95.00.6≤65.80.8≤36.62.充油电缆绝缘电气强度：导体之间1min1kv不击穿导体与屏蔽1min 3kv不击穿3.充油电缆绝缘电阻：每根芯线与其余线芯接地，HYAT电缆大于3000MΩ.k。
3、产品型号、名称及使用范围型号名称使用范围YVV聚氯乙烯绝缘、聚氯乙烯护套仪表用电缆固定敷设，用于仪器、仪表的连接YVVP聚氯乙烯绝缘、聚氯乙烯护套仪表用屏蔽电缆同上，用于要求抗干扰的情况下RVV聚氯乙烯绝缘、聚氯乙烯护套仪表用软电缆用于要求柔软的场合RVVP聚氯乙烯绝缘、聚氯乙。
In order to meet the needs of the market, our factory has developed shielding and flame-retardant control cables in recent years on the basis of producing ordinary plastic insulation control cables.