天津市电缆总厂第一分厂

搜索关键词：矿用光缆、计算机电缆、矿用通信电缆、铁路信号电缆、通信电缆

铁路信号电缆PTYA23 PTYL23(PTYAH23 PTYLH23)

铁路信号电缆

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<ul class="lemmaWgt-lemmaTitle lemmaWgt-lemmaTitle- list-paddingleft-2" style="list-style-type: none;">信号传输的媒介</ul>铁路信号和控制电缆法国RATP铁路标准德国DB铁路标准英国NETWORK RAIL标准西班牙铁路标准比利时SNCB铁路标准瑞士SBB铁路标准SW-CLT交换中心电缆 <span style="font-size: 14px; font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif, font-extend; text-indent: 28px; color: rgb(51, 51, 51);">适用于额定电压交流500V或直流1000V及以下传输铁路信号<span style="font-size: 14px; font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif, font-extend; text-indent: 28px; color: rgb(51, 51, 51);">、音频信号<span style="font-size: 14px; font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif, font-extend; text-indent: 28px; color: rgb(51, 51, 51);">或自动信号装置<span style="font-size: 14px; font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif, font-extend; text-indent: 28px; color: rgb(51, 51, 51);">的控制电路，其中综合护套、铝护套铁路信号电缆具有一定的屏蔽性能，适宜于电气化区段或其它有强电干扰的地区敷设。 （1）电缆的使用环境温度为-40℃~+60℃ （2 ）电缆导体长期工作温度应不超过+70℃。（3）电缆敷设环境温度：聚氯乙烯外护套电缆应不低于0℃;聚乙烯外护套电缆应不低于-20℃。（4）电缆的允许弯曲半径：非铠装电缆应不小于电缆外径的10倍；铠装电缆应不小于电缆外径的15倍。（5）综合护套铁路信号电缆的理想屏蔽系数≤0.8；铝护套铁路信号电缆的理想屏蔽系数≤0.3交货长度500m及以上的电缆应不少于总交货长度的50%;50~250m的短段电缆交货长度应不超过总交货长度的5%; 电缆长度计量误差应不超过±0.5%。根据双方协商规定的长度交货<span style="font-size: 14px; font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif, font-extend; text-indent: 28px; color: rgb(51, 51, 51);"> （4---61）芯X 1.0mm信号电缆型号的识别1.信号电缆按护套类型包括塑料护套（PTY03、 PTY23）、综合护套（PTYA23、PTYA22）、铝护套（PTYL23、PTYL22）信号电缆；2.信号数字电缆分为塑料护套（SPTYW03、SPTYW23）、综合护套（SPTYWA23）铝护套（SPTYWL23）、内屏蔽（SPTYWP03或SPTYWP23、SPTYWPA23、SPTYWPL23）数字信号电缆。SP-数字信号电缆T-铁路YW-皮-泡-皮物理发泡聚乙烯绝缘P-内屏蔽L-铝护套A-综合护套23-双钢带铠装聚乙烯外护套03-聚乙烯外护套
铁路信号电缆PTY23 WDZ-PTY23

铁路信号电缆

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  PTY23铁路信号电缆电缆的主要电气性能 <table cellpadding="0" cellspacing="1"><tbody><tr class="firstRow"><td style="margin: 0px; padding: 0px;">序号</td><td style="margin: 0px; padding: 0px;">项目</td><td style="margin: 0px; padding: 0px;">单位</td><td style="margin: 0px; padding: 0px;">指标</td><td style="margin: 0px; padding: 0px;">换算公式</td></tr><tr><td style="margin: 0px; padding: 0px;">1 1.1 1.2</td><td style="margin: 0px; padding: 0px;">直流电阻 20℃时 每根导体直流电阻 工作线对导体直流电阻不平衡</td><td style="margin: 0px; padding: 0px;">Ω/km</td><td style="margin: 0px; padding: 0px;">≤23.5 ≤2%</td><td style="margin: 0px; padding: 0px;">L/1000</td></tr><tr><td style="margin: 0px; padding: 0px;">2</td><td style="margin: 0px; padding: 0px;">绝缘电阻</td><td style="margin: 0px; padding: 0px;">MΩ·km</td><td style="margin: 0px; padding: 0px;">≥3000</td><td style="margin: 0px; padding: 0px;">1000/L</td></tr><tr><td style="margin: 0px; padding: 0px;">3 3.1 3.2 3.3</td><td style="margin: 0px; padding: 0px;">电容 对绞组工作电容 星形四线组工作电容 任*缘线芯对连接到地的其它绝缘线芯间电容</td><td style="margin: 0px; padding: 0px;">nF/km</td><td style="margin: 0px; padding: 0px;">≤70 ≤50 ≤100</td><td style="margin: 0px; padding: 0px;">L/1000</td></tr><tr><td style="margin: 0px; padding: 0px;">4 4.1 4.2 ></td><td style="margin: 0px; padding: 0px;">电容耦合 K1 平均值 　zui大值 K9～K12平均值 　zui大值 四线组K1值指标为zui大值</td><td style="margin: 0px; padding: 0px;">pF/500m</td><td style="margin: 0px; padding: 0px;">≤100 ≤330 ≤120 ≤230 ></td><td style="margin: 0px; padding: 0px;">(L/500)1/2 L/500 (L/500)1/2 L/500</td></tr><tr><td style="margin: 0px; padding: 0px;"><p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102);">5</td><td style="margin: 0px; padding: 0px;">对外来地电容不平衡 ea1 ea2平均值 zui大值 四芯电缆ea1 ea2指标为zui大值</td><td style="margin: 0px; padding: 0px;">nF/500m</td><td style="margin: 0px; padding: 0px;">≤330 ≤1300</td><td style="margin: 0px; padding: 0px;">L/500</td></tr><tr><td style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12px; text-wrap: wrap; background-color: rgb(255, 255, 255);">6 6.1 6.2</td><td style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12px; text-wrap: wrap; background-color: rgb(255, 255, 255);"><p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102);">绝缘耐压 持续时间 2min 线芯间 线芯对其余线芯接地</td><td style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12px; text-wrap: wrap; background-color: rgb(255, 255, 255);"><p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102);">Ｖ</td><td style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12px; text-wrap: wrap; background-color: rgb(255, 255, 255);"><p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102);"> <p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102);">1000 1800</td><td style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 12px; text-wrap: wrap; background-color: rgb(255, 255, 255);"> </td></tr></tbody></table>
铁路信号电缆PTYA23(PTYAH23)4~61芯

铁路信号电缆

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<p style="font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(250, 250, 250);"><a href="http://www.ptya23.cn/" style="color: rgb(0, 0, 0);">PTYA23</a><a href="http://www.ptya23.cn/" style="color: rgb(0, 0, 0);">铁路信号电缆</a>综合扭绞聚乙烯绝缘及塑料护套信号电缆、 PTYA  PTYA23  PTYA22  PTY23  PTY22  PYV  PTY03  PTY02  PTYAH23  PTYAH PZYA  PZYA23  PZYA22  PZY23  PZY22  PYV  PZY03  PZY02  0.8mm2（1/1.0） 4-61芯　 <p style="font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(250, 250, 250);">一、铁路信号电缆： PTYAH23，铁路信号电缆生产销售 <p style="font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(250, 250, 250);">　　适用于额定电压交流500V或直流1000V及以下传输铁路信号、音频信号或自动信号装置的控制电路，其中综合护套、铝护套铁路信号电缆具有一定的屏蔽性能，适宜于电气化区段或其它有强电干扰的地区敷设。 PTYAH23，铁路信号电缆生产销售 <p style="font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(250, 250, 250);">　　二、使用特性： <p style="font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(250, 250, 250);">　　（1）电缆的使用环境温度为-40℃~+60℃ <p style="font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(250, 250, 250);">　　（2 ）电缆导体长期工作温度应不超过+70℃。 <p style="font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(250, 250, 250);">　　（3）电缆敷设环境温度：聚氯乙烯外护套电缆应不低于0℃;聚乙烯外护套电缆应不低于-20℃。 <p style="font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(250, 250, 250);">　　（4）电缆的允许弯曲半径：非铠装电缆应不小于电缆外径的10倍；铠装电缆应不小于电缆外径的15倍。 <p style="font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(250, 250, 250);">　　（5）综合护套铁路信号电缆的理想屏蔽系数≤0.8；铝护套铁路信号电缆的理想屏蔽系数≤0.3 <p style="font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(250, 250, 250);">　　三、交货长度500m及以上的电缆应不少于总交货长度的50%;50~250m的短段电缆交货长度应不超过总交货长度的5%; 电缆长度计量误差应不超过±0.5%。根据双方协商规定的长度交货 <p style="font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(250, 250, 250);">　　蓝普特种电缆集团**生产铁路信号电缆规格（4---61）芯X 1.0mm <p style="font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(250, 250, 250);">　　信号电缆型号的识别：PTYAH23，铁路信号电缆生产销售 <p style="font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 28px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(253, 253, 253);">　　1.信号电缆按护套类型包括塑料护套（PTY03、 PTY23）、综合护套（PTYA23、PTYA22） <p style="font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 21px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(240, 240, 240);">PTYA23铁路信号电缆  1、产品执行标准：TB1734-83， GB/T2476-1993。2、用途：本产品适用于传输控制信号及音频信号传输，特别广泛应用于电路自动系统。3、产品名称型号规格及范围：   <p style="margin-top: auto; margin-bottom: auto; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 21px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(240, 240, 240);">PTYA23铁路信号电缆产品名称型号规格范围使用场合   <p style="margin-top: auto; margin-bottom: auto; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 21px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(240, 240, 240);">塑料绝缘和聚氯乙烯护套信号电缆 PVV，PYV PVV22，PVV20  PYVV22，PYV20 0.8mm2（1/1.0） 2-48芯适用于交流额定电压250V及以下的铁路信号联络、火警信号、电报及其他自动装置系统。   <p style="margin-top: auto; margin-bottom: auto; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 21px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(240, 240, 240);">PTYA23铁路信号电缆综合扭绞聚乙烯绝缘及塑料护套信号电缆 PTYA  PTYA23  PTYA22  PTY23  PTY22  PYV  PTY03  PTY02  PTYAH23  PTYAH PZYA  PZYA23  PZYA22  PZY23  PZY22  PYV  PZY03  PZY02  0.8mm2（1/1.0） 4-61芯　适用于交流额定电压500V或直流电压1000V及以下传输音频信号及固定敷设的铁路信号和集团自动化装配的控制线路，能传输铁路信集团的一般自动信号，还可传输移频自动闭塞及业务通话等音频信号。   <p style="margin-top: auto; margin-bottom: auto; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 21px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(240, 240, 240);">4、PTYA23铁路信号电缆使用特性：                                                         <p style="margin-top: auto; margin-bottom: auto; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 21px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(240, 240, 240);">电缆在-40℃-+50℃环境下使用。   <p style="margin-top: auto; margin-bottom: auto; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 21px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(240, 240, 240);">电缆导体长期工作温度应不超过70℃。   <p style="margin-top: auto; margin-bottom: auto; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 21px; font-family: 宋体, Arial, Helvetica, sans-serif; text-wrap: wrap; color: rgb(68, 68, 68); min-height: 24px; background-color: rgb(240, 240, 240);">普通护套的电缆在环境温度不低于-5℃下敷设，耐塞护套为-10℃。  <strong style="font-size: 14px; font-family: 宋体, Arial, Helvetica, sans-serif; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; color: rgb(68, 68, 68); line-height: 28px; background-color: rgb(253, 253, 253);">弯曲半径不低于电缆外径的15倍（敷设时），且适用于任何水平差的干扰。
铝护套铁路信号电缆PTYL23(PTYHL23) 4-61芯

铁路信号电缆

市场价:0.00

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<p style="font-family: 微软雅黑; padding-top: 2px; padding-bottom: 10px; overflow-wrap: break-word; font-size: 14px; color: rgb(102, 102, 102); text-indent: 2em; text-wrap: wrap; background-color: rgb(255, 255, 255);">信号电缆PTYL23(PTYLH23)型适用于额定电压交流500V或直流1000V及以下传输***信号、音频信号或自动信号装置的控制电路，其中综合护套具有一定的屏蔽性能，适宜于电气化区段或其它有强电干扰的地区敷设。<p style="font-family: 微软雅黑; padding-top: 2px; padding-bottom: 10px; overflow-wrap: break-word; font-size: 14px; color: rgb(102, 102, 102); text-indent: 2em; text-wrap: wrap; background-color: rgb(255, 255, 255);">　 1、信号电缆PTYL23(PTYLH23)型适用于额定电压交流500V或直流1000V及以下传输***信号、音频信号或自动信号装置的控制电路，其中综合护套、铝护套***信号电缆具有一定的屏蔽性能，适宜于电气化区段或其它有强电干扰的地区敷设。　 2、使用特性 2.1 电缆的使用环境温度为-40℃~ 60℃。 2.2 电缆导体长期工作温度应不超过 70℃。 2.3 电缆敷设环境温度：聚氯乙烯外护套电缆应不低于0℃;聚乙烯外护套电缆应不低于-20℃。 2.4 电缆的允许弯曲半径：非铠装电缆应不小于电缆外径的10倍；铠装电缆应不小于电缆外径的15倍。 2.5 综合护套的理想屏蔽系数≤0.8；铝护套***信号电缆的理想屏蔽系数≤0.3
铁路信号电缆PTY22 PTYA22

铁路信号电缆

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铁路信号电缆执行标准GB/T2476-1993。 铁路信号电缆适用于额定电压交流500V或直流1000V及以下传输铁路控制信号、音频信号或某些自动装置用固定敷设的各种电缆。规格及范围： 塑料绝缘和聚氯乙烯护套铁路信号电缆PTYA22 16芯铁路信号电缆 PTYAH PTYA PZYA PTYV PTYY PTY22 PTY23 （PZY02 PZY03 PZY23 PZY22）1/0.8mm（1/1.0mm） 2-48芯适用于额定电压交流500V或直流1000V及以下的铁路信号联络、火警信号、电报及其他自动装置系统。 聚乙稀绝缘综合护套钢带铠装聚氯乙烯护套铁路信号电缆 PTYA23 PTYA22 PTY23 PTY22 PTYAH23 PZYA23 PZYA22 PZY23 PZY22 0.8mm（1/1.0MM） 4-61芯　适用于交流额定电压500V或直流电压1000V及以下传输音频信号及固定敷设的铁路信号和集团自动化装配的控制线路，能传输铁路信集团的一般自动信号，还可传输移频自动闭塞及业务通话等音频信号。PTYA22 16芯铁路信号电缆 4、使用特性： 电缆在-40℃-+50℃环境下使用。 电缆导体*工作温度应不超过70℃。 普通护套的电缆在环境温度不低于-5℃下敷设，耐塞护套为-10℃。 弯曲半径不低于电缆外径的15倍（敷设时），且适用于任何水平差的干扰。
铁路信号电缆PZYA23 PZYL23

铁路信号电缆

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<p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;">产品名称：铁路信号电缆<p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;">产品型号： PTYAH|PTYA|PZYA|PTYV|PTYY|PTY22|PTY23|PTYA23|PTYA22|PTY23|PTY22|PT             YAH23|PZYA23|PZYA22|PZY23|PZY22|<p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;"> <p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;">执行标准：TB/T 2476.1.2-1993<p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;"> <p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;">产品用途：适用于额定电压交流500V或直流1000V及以下传输铁路控制信号、音频信号及某些自动装置固定敷设用<p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;"> <p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;">产品名称、型号、规格及使用范围：<p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;"> <p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;">1)聚乙烯绝缘和聚氯乙烯护套铁路信号电缆PTYAH、PTYA、PZYA、PTYV、PTYY、PTY22、PTY23(PZY02、PZY03、PZY23、PZY22)1/0.8mm(1/1.0mm)2-48芯；适用于额定电压交流500V或直流1000V及以下的铁路信号联络、火警信号、电报及其他自动装置系统。<p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;"> <p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;">2)聚乙稀绝缘综合护套钢带铠装聚氯乙烯护套铁路信号电缆 PTYA23、PTYA22、PTY23、PTY22、PTYAH23、PZYA23、PZYA22、PZY23、PZY22、1/0.8mm(1/1.0mm)4-61芯；适用于交流额定电压500V或直流电压1000V及以下传输音频信号及固定敷设的铁路信号和集团自动化装配的控制线路，能传输铁路信集团的一般自动信号，还可传输移频自动闭塞及业务通话等音频信号。<p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;"> <p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;">使用特性：<p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;"> <p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;">1)电缆的使用环境：-40℃～60℃。<p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;"> <p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;">2)电缆导体的*允许工作温度：不超过70℃。<p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;"> <p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;">3)电缆敷设环境温度：聚氯乙烯外护套电缆应不低于0℃；聚乙烯护套电缆应不低于-10℃。<p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;"> <p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;">4)电缆的允许弯曲半径：非铠装电缆应不小于电缆外径的10倍；铠装电缆应不小于电缆外径的15倍。<p style="padding-top: 7px; padding-bottom: 7px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 14px; line-height: 24px; font-family: 微软雅黑; color: rgb(102, 102, 102); text-wrap: wrap;">
铁路信号电缆WDZ-PTYA23 WDZ-PTYL23

铁路信号电缆

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信号电缆WDZC-PTYA23 DWZR-PZY23 WDZ-PTYA22范围： 塑料绝缘和聚氯乙烯护套铁路信号电缆 PTYAH PTYA PZYA PTYV PTYY PTY22 PTY23 (PZY02 PZY03 PZY23 PZY22)1/0.8mm(1/1.0mm) 2-48芯适用于额定电压交流500V或直流1000V及以下的铁路信号联络、火警信号、电报及其他自动装置系统。 聚乙稀绝缘综合护套钢带铠装聚氯乙烯护套铁路信号电缆 PTYA23 PTYA22 PTY23 PTY22 PTYAH23 PZYA23 PZYA22 PZY23 PZY22 0.8mm(1/1.0MM) 4-61芯适用于交流额定电压500V或直流电压1000V及以下传输音频信号及固定敷设的铁路信号和集团自动化装配的控制线路，能传输铁路信集团的一般自动信号，还可传输移频自动闭塞及业务通话等音频信号。
铁路信号电缆HEYFLT23 4*4*0.9 7*4*0.9

铁路信号电缆

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频对称通信电缆（HEYFLT23）1×4×0.9                                       执行标准： Q/TL 094-1999参考标准TB/T 1478-83 、TB/T 2461-93 本产品适用于铁路长途通信线路。具有良好的屏蔽性能，可在电气化铁路或有强电干扰的场合下正常使用。1 产品特点绝缘线芯采用国际先进水平的三层共挤、物理发泡皮泡皮绝缘工艺，发泡度为65%，因而绝缘性能提高，各项电气性能更为稳定。阻水油膏、阻水带填充，防潮性能优异，可免充气维护。2         使用特性2.1电缆导体长期允许工作温度为70℃。2.2电缆敷设环境温度应不低于0℃。2.3电缆弯曲半径应不小于电缆外径的15倍。2.4铝护套铠装型电缆的理想屏蔽系数≤0.1。2.5根据用户需要，还可提供本系列低烟无卤或低烟低卤阻燃产品，阻燃性能符合IEC 332-3, GB 18380.3 技术标准规定.3 电缆型号、名称及规格 <table cellspacing="0" width="703" style="width: 358px;"><tbody><tr class="firstRow"><td valign="top" width="98" style="margin: 0px; padding: 0px;">型   号</td><td valign="top" width="259" style="margin: 0px; padding: 0px;">名           称</td><td valign="top" width="84" style="margin: 0px; padding: 0px;">敷设条件</td><td valign="top" width="210" style="margin: 0px; padding: 0px;">规     格</td><td style="margin: 0px; padding: 0px;"> </td><td style="margin: 0px; padding: 0px;"> </td><td style="margin: 0px; padding: 0px;"> </td></tr><tr><td rowspan="2" width="98" style="margin: 0px; padding: 0px;">HEYPFPLT22（HEYFLT22）</td><td valign="top" rowspan="2" width="259" style="margin: 0px; padding: 0px;">铜芯皮泡皮物理发泡聚乙烯绝缘阻水油膏填充铝护套钢带铠装聚氯乙烯外护套低频对称通信电缆</td><td valign="top" rowspan="3" width="84" style="margin: 0px; padding: 0px;">敷设在土壤及槽、管中，能承受较大机械外力。</td><td valign="top" rowspan="3" width="210" style="margin: 0px; padding: 0px;">1×4×0.93×4×0.94×4×0.9+5×2×0.6（0.7）7×4×0.9+6×2×0.6（0.7）12×4×0.9+3×2×0.6（0.7）14×4×0.9+4×2×0.6（0.7）</td><td valign="top" rowspan="1" width="210" style="margin: 0px; padding: 0px;"> </td><td valign="top" rowspan="1" width="210" style="margin: 0px; padding: 0px;"> </td><td valign="top" rowspan="1" width="210" style="margin: 0px; padding: 0px;"> </td></tr><tr><td width="98" style="margin: 0px; padding: 0px;">HEYPFPLT23（HEYFLT23）</td><td valign="top" width="259" style="margin: 0px; padding: 0px;">铜芯皮泡皮物理发泡聚乙烯绝缘阻水油膏填充铝护套钢带铠装聚乙烯外护套低频对称通信电缆</td><td style="margin: 0px; padding: 0px;"> </td></tr><tr><td> </td><td> </td><td> </td><td> </td><td> </td></tr></tbody></table> 注:①信号线可根据用户要求增减。   ②低烟无卤阻燃型电缆型号在普通型号前冠“DWZR”字母。 4   电性能指标低频四线组电性能指标 <table cellspacing="0" width="702" style="width: 358px;"><tbody><tr class="firstRow"><td width="98" style="margin: 0px; padding: 0px;">序号</td><td valign="top" width="350" style="margin: 0px; padding: 0px;">项           目</td><td valign="top" width="105" style="margin: 0px; padding: 0px;">指     标</td><td width="98" style="margin: 0px; padding: 0px;">换算公式</td></tr><tr><td width="98" style="margin: 0px; padding: 0px;">1</td><td valign="top" width="350" style="margin: 0px; padding: 0px;">20℃导电线芯直流电阻            Ω/km</td><td valign="top" width="105" style="margin: 0px; padding: 0px;">≤28.5</td><td width="98" style="margin: 0px; padding: 0px;">L/1000</td></tr><tr><td width="98" style="margin: 0px; padding: 0px;">2</td><td valign="top" width="350" style="margin: 0px; padding: 0px;">工作对导体电阻不平衡        </td><td valign="top" width="105" style="margin: 0px; padding: 0px;">≤1%</td><td width="98" style="margin: 0px; padding: 0px;">—</td></tr><tr><td width="98" style="margin: 0px; padding: 0px;">3</td><td valign="top" width="350" style="margin: 0px; padding: 0px;">绝缘电阻                      MΩ·km芯对地</td><td valign="top" width="105" style="margin: 0px; padding: 0px;"> ≥10000</td><td width="98" style="margin: 0px; padding: 0px;"> 1000/L</td></tr><tr><td width="98" style="margin: 0px; padding: 0px;">4</td><td valign="top" width="350" style="margin: 0px; padding: 0px;">绝缘耐压（AC 50Hz）持续时间2min     V芯对地芯对芯</td><td valign="top" width="105" style="margin: 0px; padding: 0px;"> 18001000</td><td width="98" style="margin: 0px; padding: 0px;"> ——</td></tr><tr><td width="98" style="margin: 0px; padding: 0px;">5</td><td valign="top" width="350" style="margin: 0px; padding: 0px;">工作电容0.8～1.0kHz             nF/km标称值*大值</td><td valign="top" width="105" style="margin: 0px; padding: 0px;"> 2931</td><td width="98" style="margin: 0px; padding: 0px;"> L/1000</td></tr><tr><td width="98" style="margin: 0px; padding: 0px;">6</td><td valign="top" width="350" style="margin: 0px; padding: 0px;">电容耦合系数0.8～1.0kHz         pF/kmK1         平均值           *大值 </td><td valign="top" width="105" style="margin: 0px; padding: 0px;"> ≤81330</td><td width="98" style="margin: 0px; padding: 0px;">  √L/1000L/1000</td></tr><tr><td width="98" style="margin: 0px; padding: 0px;">7</td><td valign="top" width="350" style="margin: 0px; padding: 0px;">电容耦合系数0.8～1.0kHz         pF/kmK9～K12     平均值           *大值 </td><td valign="top" width="105" style="margin: 0px; padding: 0px;"> ≤168472</td><td width="98" style="margin: 0px; padding: 0px;"> √L/1000L/1000</td></tr><tr><td width="98" style="margin: 0px; padding: 0px;">8</td><td valign="top" width="350" style="margin: 0px; padding: 0px;">对地电容不平衡系数0.8～1.0kHz   pF/kme1,e2           平均值           *大值其中允许10%盘数的e1,e2  值≤1294 pF/km</td><td valign="top" width="105" style="margin: 0px; padding: 0px;"> ≤330800</td><td width="98" style="margin: 0px; padding: 0px;"> √L/1000L/1000 </td></tr></tbody></table> 信号线对电性能指标 <table cellspacing="0" width="702" style="width: 358px;"><tbody><tr class="firstRow"><td width="98" style="margin: 0px; padding: 0px;">序号</td><td valign="top" width="266" style="margin: 0px; padding: 0px;">项        目</td><td valign="top" width="105" style="margin: 0px; padding: 0px;">指标（Φ0.6mm）</td><td valign="top" width="112" style="margin: 0px; padding: 0px;">指标（Φ0.7mm）</td><td valign="top" width="70" style="margin: 0px; padding: 0px;">换算公式</td></tr><tr><td width="98" style="margin: 0px; padding: 0px;">1</td><td valign="top" width="266" style="margin: 0px; padding: 0px;">20℃导电线芯直流电阻    Ω/km</td><td valign="top" width="105" style="margin: 0px; padding: 0px;">≤65.8</td><td valign="top" width="112" style="margin: 0px; padding: 0px;">≤48.0</td><td valign="top" width="70" style="margin: 0px; padding: 0px;">L/1000</td></tr><tr><td width="98" style="margin: 0px; padding: 0px;">2</td><td valign="top" width="266" style="margin: 0px; padding: 0px;">工作对导体电阻不平衡  </td><td valign="top" width="105" style="margin: 0px; padding: 0px;">≤2%</td><td valign="top" width="112" style="margin: 0px; padding: 0px;">≤2%</td><td valign="top" width="70" style="margin: 0px; padding: 0px;">—</td></tr><tr><td width="98" style="margin: 0px; padding: 0px;">3</td><td valign="top" width="266" style="margin: 0px; padding: 0px;">绝缘电阻              MΩ·km芯对地</td><td valign="top" width="105" style="margin: 0px; padding: 0px;"> ≥5000</td><td valign="bottom" width="112" style="margin: 0px; padding: 0px;"> ≥5000</td><td valign="top" width="70" style="margin: 0px; padding: 0px;"> 1000/L</td></tr><tr><td width="98" style="margin: 0px; padding: 0px;">4</td><td valign="top" width="266" style="margin: 0px; padding: 0px;">绝缘耐压（AC 50Hz）持续时间2min   V芯对地芯对芯</td><td valign="top" width="105" style="margin: 0px; padding: 0px;"> 18001000</td><td valign="bottom" width="112" style="margin: 0px; padding: 0px;"> 18001000</td><td valign="top" width="70" style="margin: 0px; padding: 0px;"> ——</td></tr><tr><td width="98" style="margin: 0px; padding: 0px;">5</td><td valign="top" width="266" style="margin: 0px; padding: 0px;">工作电容0.8～1.0kHz     nF/km*大值</td><td valign="bottom" width="105" style="margin: 0px; padding: 0px;"> ≤51</td><td valign="bottom" width="112" style="margin: 0px; padding: 0px;"> ≤54</td><td valign="bottom" width="70" style="margin: 0px; padding: 0px;"> L/1000</td></tr></tbody></table>  5   防潮性能 <table cellspacing="0" width="702" style="width: 358px;"><tbody><tr class="firstRow"><td valign="top" width="105" style="margin: 0px; padding: 0px;">项   目</td><td valign="top" width="364" style="margin: 0px; padding: 0px;">检测内容</td><td valign="top" width="182" style="margin: 0px; padding: 0px;">检测结果</td></tr><tr><td valign="top" width="105" style="margin: 0px; padding: 0px;"> 渗水性能试验</td><td valign="top" width="364" style="margin: 0px; padding: 0px;">按照GB/T 13849.3-93附录A标准规定，取3米长电缆试样接入渗水试验装置，水套中充入含荧光颜料水溶液并形成1米高水头，24小时后，用紫外光检查电缆验视端。判别是否能见到荧光即是否有水渗出。</td><td valign="top" width="182" style="margin: 0px; padding: 0px;">电缆的护套、包带和缆芯均无荧光痕迹，无水渗透。</td></tr><tr><td valign="top" width="105" style="margin: 0px; padding: 0px;"> 滴流性能试验</td><td valign="top" width="364" style="margin: 0px; padding: 0px;">按照GB/T 13849.3-93附录D标准规定，取30厘米长电缆试样，竖直吊放在65℃高温下，24小时后，目力观察是否有油滴下。</td><td valign="top" width="182" style="margin: 0px; padding: 0px;">试样的填充混合物不应从缆芯与护套的界面**出或滴出，油质无任何变化</td></tr></tbody></table> 1.产品技术标准   TB/T1478－83铁路长途通信电缆制式系列及主要技术条件 2.高频长途对称通信电缆型号： HEYWL03-156（HEYPFPL03-156)/ 铜芯物理发泡聚乙烯绝缘铝护套聚乙烯外护套高低频长途对称通信电缆  HEYWL23-156（HEYPFPL23-156)/ 铜芯物理发泡聚乙烯绝缘铝护套双钢带铠装聚乙烯外护套高低频长途对称通信电缆3.高频长途对称通信电缆规格： 1*4*0.9（高） 3*4*0.9（高）+3*1*0.6(0.7)  4*4*0.9（高）+4*1(2)*0.6(0.7)  3*4*0.9（高）+4*4*0.9(低)+6*1(2)*0.6(0.7)  3*4*0.9（高）+9*4*0.9(低)+10*1(2)*0.6(0.7)  4*4*0.9（高）+10*4*0.9(低)+10*1(2)*0.6(0.7)  4*4*0.9（高）+15*4*0.9(低)+10*1(2)*0.6(0.7) 4.低频长途对称通信电缆型号：HEYWL03（HEYPFPL03）/ 铜芯物理发泡聚乙烯绝缘铝护套聚乙烯外护套长途对称通信电缆      HEYWL23（HEYPFPL23）/ 铜芯物理发泡聚乙烯绝缘铝护套双钢带铠装聚乙烯外护套长途对称通信电缆 HEYWLT03（HEYPFPLT03）/铜芯物理发泡聚乙烯绝缘铝护套(油膏填充式）聚乙烯外护套长途对称通信电缆HEYWLT23（HEYPFPLT23）/ 铜芯物理发泡聚乙烯绝缘铝护套(油膏填充式）双钢带铠装聚乙烯外护套长途对称通信电缆5.低频长途对称通信电缆规格：  1*4*0.9  3*4*0.9+3*1*0.6(0.7)  4*4*0.9+4*1(2)*0.6(0.7)  7*4*0.9+6*1(2)*0.6(0.7)  12*4*0.9+10*1(2)*0.6(0.7)  14*4*0.9+10*1(2)*0.6(0.7)  19*4*0.9+10*1(2)*0.6(0.7)  6.长途对称通信电缆特性：    电缆敷设时的环境温度不低于-10°C。     电缆的使用环境温度：-40＋60°C。     电缆的弯曲半径不小于外径的20倍。
铁路信号电缆

铁路信号电缆

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铁路信号电缆

铁路信号电缆

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