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1. Round conductive copper core made of annealed wire MM. The number of elementary conductive cores of cables is from 5 to 15 pcs. The total cross-section of the conductive cores of the cables must be from 500 mm2.
The conductive cores must be laid over the perforated support sleeve according to GOST 18698b secured with stainless steel rings on the flange fittings.
2. Every other conductive core must be fitted with protective perforated tubes. The ends of the conductive cores must be sealed into the cable flanges using the crimping method. The conductive cores must be twisted around the perforated sleeve.
3. A protective sleeve of the Kkab brand according to TU 2553-007-46028995 must be fitted onto the flanges. The sleeve must be secured on each flange with three non-magnetic stainless steel bandage locks. Other protective sleeves may be used at the customer's request.
Application
The cables are intended for transmission of electric energy with nominal alternating voltage up to 1500 V and frequency of 50 Hz. The cables are intended for use as flexible current leads for electric furnaces. Climate performance type UHL, placement category 4 according to GOST 15150.
Technical specifications
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Operating temperature range
from +5 °C to +50 °C
Cooling water temperature at the inlet, more at the outlet
The cooling water temperature at the inlet of the cable should not be more than 47 °C, at the outlet of the cable 55 °C
Minimum bending radius during installation
5 external diameters
Warranty period of operation — 1 yearService life — 2 years
Working pressure of cooling water
not more than 0.8 MPa (8 kgf/cm2)