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Product Details:
Payment & Shipping Terms:
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| High Light: | Medium Voltage Wire,underground electrical cable |
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1.Product standard
GB12706-91, GB/T18380.3-2001(IEC502 IEC332-3)
2.specifications and names
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Type |
Designation |
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Copper conductor |
Aluminium conductor |
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ZRYJV |
ZRYJLV |
XLPE insulated and PVC sheathed fire retardant power cable |
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ZRYJV22 |
ZRYJLV22 |
XLPE insulated, steel tape armored and PVC sheathed fire retardant power cable |
|
ZRYJV32 |
ZRYJLV32 |
XLPE insulated, steel wire armored and PVC sheathed fire retardant power cable. |
|
ZRYJV42 |
ZRYJLV42 |
XLPE insulated, Crudewire armored and PVC sheathed fire retardant power cable. |
|
ZRVV |
ZRVLV |
PVC insulated, PVC sheathed fire retardant power cable. |
|
ZRVV22 |
ZRVLV22 |
PVC insulated, steel wire armored andPVC sheathed fire retardant power cable. |
|
ZRVV32 |
ZRVLV32 |
PVC insulated, steel wire armored and PVC sheathed fire retardant power cable |
|
ZRVV42 |
ZRVLV42 |
PVC insulated, Crudewire armored and PVC sheathed fire retardant power cable. |
3.Operating characteristics
1.(U0/U)0.6/1KV, 3.6/6KV, 6/6KV, 6/10KV, 8.7/10KV, 8.7/15KV, 18/20KV, 21/35 KV, 26/35KV.
The rated voltage(U0/U)0.6/1KV, 3.6/6KV, 6/6KV, 6/10KV, 8.7/10KV, 8.7/15KV, 18/20KV, 21/35 KV, 26/35KV.
2. Max. permissible continuous operating temperatures of conductor not exceed 90°C, Max. short-circuit temperature of conductor shall not exceed 250°C. (5s Max. duration)
3.The ambient temperature under installation shall not below 0°C, the Min. bending radius: not less than 8 times for the cable of external diameter no more than 40mm; not less than 16 times for the others.
4.Test voltage of cable
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Rated Voltage KV |
0.6 |
1.8 |
3.6 |
6 |
8.7 |
12 |
18 |
21 |
26 |
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Test voltage KV |
3.5 |
6.5 |
12.5 |
21 |
30.5 |
42 |
63 |
73.5 |
91 |
5.Combustible and caustic property of cable
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Item of test |
Unit |
Performance |
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Density of smoke test Min. light transmittance |
% |
60 |
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Causticity of test Min. PH value Max. electric conductibility |
μS/mm |
4.3 10 |
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Combustion test of bundled cable grade of test Time of supply fire Total volume of combustible material per meter Length affected by combustion |
Min l/m m |
A 40 7 |
B 40 3.5 |
C 20 1.5 |
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<2.5 |
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6.Engine physics performance of insulation and sheath
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Test item |
Unit |
Performance |
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Insulation |
Sheath |
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Before ageing test |
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|
|
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Min. tensile force |
N/mm2 |
12.2 |
9 |
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Min. elongation of rupture |
% |
200 |
125 |
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After aged by oven |
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Temperature |
°C |
135±3 |
100±2 |
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Duration |
h |
168 |
168 |
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Max. rate of change of tensile strength |
% |
±25 |
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Min. tensile strength |
N/mm2 |
|
9 |
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Max. rate of change of elongation at break |
% |
±20 |
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Min. elongation at break |
% |
|
110 |
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Test for thermal extension |
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Air temperature |
°C |
200±3 |
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Loading time |
Min |
15 |
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Mechanical tensile force |
N/mm2 |
0.2 |
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Max. elongation when loading |
% |
175 |
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Maximum permanent deformation after cool |
% |
15 |
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Delivery lengths
The single length of cable is not less 100m, shortage length more than 20m may be delivered, but not exceed 10% of the total length, delivered special requirement to be discussed between the supplier and the buyer, the tolerance of length shall not exceed in ±0.5%.
Contact Person: Miss.
Tel: 10-65569770
Fax: 86-10-8563-2312
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