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润华电缆 走向世界
公司始建于1989年10月,系原机械工业部电线电缆定点生产企业、全国重合同守信用企业、国家级星火计划项目企业、江苏省高新技术企业、资信等级AAA企业。是中国华电集团公司、中国国电集团公司、中国大唐集团公司的供应商,是中国石化总公司石化资源市场成员厂、中国石油天然气集团公司一级供应网络成员单位,其生产的消防电缆在公安部消防产品信息网上被定为首选产品,并取得了中国铁路工程交易中心的工程交易证书。
版权所有:江苏润华电缆股份有限公司 苏ICP备11011011号
型号 Model No. |
产品名称 Names of Products |
PTYV |
聚乙烯绝缘聚氯乙烯护套铁路信号电缆 PE insvlated PVC sheathed railway signal cables |
PTYY |
聚乙烯绝缘聚乙烯护套铁路信号电缆 PE insvlated PE sheathed railway signal cables |
PTY22 |
聚乙烯绝缘钢带铠装聚氯乙烯护套铁路信号电缆 PE insvlated steel tape armored PVC sheathed railway signol cables |
PTY23 |
聚乙烯绝缘钢带铠装聚乙烯护套铁路信号电缆 E insvlated steel tape armored PE sheathed railway signol cables |
结构尺寸及技术参数
Strvre size and Technical reqvirements
芯数 Core No. |
缆芯结构 Strvre of the core |
参考外径(mm) Reterence outer diameter |
芯数 Core No. |
缆芯结构 Strvre of the core |
参考外径(mm) Reterence outer diameter |
||||||
星型四线组 Star-shaped four-wire setup |
对线组 Dovble-wire setup |
绝缘线芯 Insvlated core |
非铠装 Non-armored |
铠装 Armored |
星型四线组 Star-shaped four-wire setup |
对线组 Dovble-wire setup |
绝缘线芯 Insvlated core |
非铠装 Non-armored |
铠装 Armored |
||
4 | 1 | - | - | 8.2 | 11.6 | 19 | 4 | - | 3 | 16.1 | 20.9 |
6 | - | 3 | - | 11.3 | 14.7 | 21 | 4 | - | 5 | 16.1 | 20.9 |
8 | - | 4 | - | 12.3 | 15.7 | 24 | 5 | 1 | 2 | 17.6 | 22.4 |
9 | - | 4 | 1 | 14.1 | 15.7 | 28 | 7 | - | - | 20.2 | 24 |
12 | 3 | - | - | 14.7 | 19.5 | 30 | 7 | - | 2 | 20.2 | 24 |
14 | 3 | - | 2 | 14.7 | 19.5 | 33 | 7 | - | 5 | 20.2 | 24 |
16 | 4 | - | - | 16.1 | 20.9 | 37 | 7 | 3 | 3 | 22.9 | 26.7 |
42 | 7 | 4 | 6 | 23.9 | 27.7 | 52 | 12 | - | 4 | 26.3 | 31.2 |
44 | 7 | 4 | 8 | 23.9 | 27.7 | 56 | 14 | - | - | 27.7 | 32.6 |
48 | 12 | - | - | 26.3 | 31.2 | 61 | 14 | - | 5 | 27.7 | 32.6 |
技术性能
Technical performances
1.导体应采用符合GB3953规定的软圆铜线,其标称直径为1.0mm。
Soft round copper wire with nominal diameter of 1.0mm conforming to GB3953 shall be adopted.
2.绝缘:
Insuiating layer
a.绝缘应采用聚乙烯塑料,并制成红、绿、白、蓝四种颜色。
PE plastics shall be adopted as the insulating layers and made in red green white and blue.
b.绝缘标称厚度为0.6mm,允许偏差为±0.1mm。
Nominal thickness of the insulating layer:0.6mm,lolerance ±0.1mm
3.线组:
Wire setup
a.对线组由两根不同颜色的绝缘芯绞合而成。
The double wire setup consists of fwo insvlated cores of different colors twisted.
b.星形四线组由四根不同颜色的绝缘芯绞合而成。不同绞合节距的星形四线组应疏绕不同颜色的非吸湿性丝或带。
The starshaped fourwire setup consists of four insulated cores of diflerent colors twisted, The startshaped fourwire setyps of differ enrtintertwisting pitches shall have their respective non-hygroscopic fiber or tape of difterent colors.
c.对线组和星形四线组均为左向绞合,其绞合节距应不大于300mm。
The doublewire setup and star shaped fourwire setup adopts leflward !wisting with the Intertwisting pitch not more than 30mm.
d.星形四线组A端线序、组序排列应符合TB/T2476.1的规定。
The wire sequence at end A in stan shoped fou-wire selup and the sequence of arangement shol comply with TB/12476.1.
4.缆芯:
Cable ccre
a.除四芯电缆外,其他规格的缆芯外层绞合方向均为右向,相邻层绞向相反。
Except the fourcore cobles, the outer layvers of the cores of ol other cables Iwist rihtward with the neighboring loyvers twisting in contrary direction.
b.电缆A端线序、组序排列应符合7B/T2476.1的规定。
The sequenco of wire at end A oand the sequence of orangement shall conform to TB/T2476.1.
c.缆芯外应包覆塑料带或其他绝缘材料带。
The cable core shall be ciothed with plastics tope or other insulating tapes.
5.外护套:
Outer sheath:
a.电缆外护套的技术要求及试验方法应符合GB2952规定。
The technical equrements and test methods for the outer sheath shall comply with GB2952he electical pertomances and test mtods of cables.
电缆电气性能及试验方法
The electical performances and test methods of cobles
序号 Model No. |
项目 ltems |
单位 Unil |
指标 Targels |
实验方法 Test methods |
1 1.1 1.2 |
直流电阻20C时 Ai 20 under DC esistance 每根导体直流电阻 不大于 DC elstance of each conductor Not more than 工作线对导体电阳不平衡 不大于 IMboilonce。oporolinon wne to condutor lstn Not more than |
Ω |
23.5 0.02 |
GB3048.4 |
2 |
绝缘电阻 不小于 Insulating resistance Not lower than |
MΩ | 3000 | GB3048.6 |
3 3.1 3.2 3.3 |
电容 Capacitance 对线组工作电容 不大于 Operating capaltance of doubie wire setup Not more than 星形四线组工作电容 不大于 Operating capocilance of star- shaped four-wire setup Not more than 任一绝緣线芯对连接到地的其他绝缘线芯间电容 不大于 Capaclitance belween any insulated cgre and any Not more than otherinsulated core connecied lo the ground |
nF |
70 50 100 |
GB5441.2 |
4 4.1 4.2 |
电容耦合 Capacitive coupling K1 平均值 不大于 Average value Not more than 最大值 不大于 Max.value Not more than K9-12 平均值 不大于 Average value Not more than 最大值 不大于 Max.value Not more than 四芯电缆K7指标为最大值 K7 is the max. value in four-core cables |
pF |
100 330 120 230 |
GB5441.3 |
5 |
对外来地电容不平衡 Imbalance of outer ground capa citance ea1、ea2 平均值 不大于 Average value Not more than 最大值 不大于 Max.value Not more than 四芯电缆e01、ea2指标为最大值 eoland eo2 are the max, values In four-core cables |
pF |
330 1300 |
GB5441.3 |
6 6.1 6.2 |
绝緣耐压 50Hz 2min Wihstand voltage of insulation 线芯间 Betwoen the cores 线芯对其余线芯接地 Core to any other core connecled 1o the ground |
V |
1000 1800 |
GB3048.8 |
注:1.工作线对导体电阻不平衡,即星形四线组工作线对的两根导体电阻之差与其电阻之和的比值。
Note: imbclance of opercting wire to conductor resistonce refers to the rotio between the dilterence ot the operating wire of starshoped four-wire setup to the two conductor resistance and the combination of their resistance.
2.电缆应进行低温卷烧或低温拉伸试验,试验温度为-15℃±2℃,其技术要求和试验方法应符合GB2951.12或GB2951.13的规定。
Cables shall be subjecf to lowtemperature roling or lowtemperature stretch test with the test temperature of -15℃±2℃. Thelechnical requikements and test methods shall comply wlth GB2951.12 or GB2951.13
交货长度
Cable length for dellvery
①.500m及以上的电缆不少于总交货的50%;50m至250m的短段电缆交货长度不超过总交货长度的5%。
Cables with length not less thon 500m shall nof be less than S0% of the total; those with length between 50 and 250m shall nol exceed 5%.
②.电缆长度计量误差应不超过±0.5%。
The error of cable length calculation shall not exceed +0.5%.
③.根据双方协议,允许以任何长度电缆交货。
Cable of any length acceptable subjecl to the agreement belween buyer and seller.