Lead sheathed copper tape: design and applications

To increase the extent of protection of an electrical cable from unauthorized connection, vibration, pressure, moisture, also as exposure to chemicals, special metal sheaths are included in its design. Lead Sheathed Copper Tape Manufacturers in India, one among the foremost popular and high-quality materials for creating such protective sheaths for cables is lead, which has excellent characteristics of warmth resistance, water resistance and tightness.

Applications of Lead Sheathed Cables

Lead-sheathed cables are used for power lines in regional and city networks, at Lead Sheathed Copper Tape Manufacturers in Mumbai, industrial enterprises, for energy-intensive lines for voltage class up to 220 kV as power cables, also as for communication lines (telephone, radio, digital, etc.) and tv, having good chemical resistance to environmental influences. the planning of the cables allows them to be utilized in all macroclimatic regions (temperate, cold, tropical).

Lead cables (in a lead sheath) are often laid in trenches, underground cable ducts, directly within the ground with varying degrees of aggressive impact, in rooms with the utilization of varied cable support systems, open through the air, subject to the required protection against the consequences of atmospheric influences. Lead Sheathed Copper Tape Exporters, Telephony and frequency cables are usually laid in pipes, tunnels, collectors, also as in places that aren't subject to significant electromagnetic interference.

Design and Advantages of Lead Sheathed Cables

Current-carrying conductors of power cables during a lead sheath are often made from aluminum (grades AE, AT, A6) or copper wires of the MM grade with a structure of sophistication 1 or 2. Lead Sheathed Copper Tape Manufacturers, Cable diameter. For communication cables and frequency cables, small diameter round copper wire is employed.

As insulation for the cores of power cables, cable paper impregnated with an insulating compound is most frequently used, and it also can have XLPE and rubber insulation (very rarely). Communication cables have insulation within the sort of a winding with a plastic brace, on top of which paper or plastic tapes are applied, or endless layer within the sort of a polyethylene or polystyrene tube. Insulating polyethylene washers are used as insulation for coaxial pairs, on top of which an outer conductor within the sort of a tube made from soft copper tape is applied.

Power cables for a voltage of three kV and above must have a shield over the cores and core, which is formed of electrically conductive paper (polyethylene). Coaxial trunk cables over the outer conductor must even have a screen of steel or copper-plated steel tapes.

The conductors of communication cables must be twisted into pairs or fours, then formed into bundles, which are wrapped with natural or synthetic threads. Coaxial cables are twisted alongside "fours". In power cables, the cores are twisted into a core, which is wrapped with belt insulation made from impregnated paper tapes.

On top of the belt insulation or screen, a sheath of a lead pipe or antimony lead is applied.

Over the lead sheath of cables, there could also be a protective covering made in accordance

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