Flexible cable for intrinsic safety DCS
A DCS system and flexible cable technology, applied in the direction of insulated cables, bendable cables, cables, etc., can solve the problems of explosive gas explosion, poor cable shielding effect, etc. Effect
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[0007] like figure 1 As shown, the present invention includes a cable core, and a wrapping cable layer 1, a total shielding layer 2, an inner liner 3, an armor layer 4 and an outer sheath layer 5 are arranged successively outside the cable core; A filling layer 6 is arranged between the cable layers 1; a first drain wire 7 is arranged between the wrapping cable layer 1 and the total shielding layer 2; the cable core includes several strands of twisted wire cores 8, and each wire core 8 is respectively It includes a pair of twisted insulated conductors 9, and a ribbon layer 10, a tape layer 11 and a phase-separated shielding layer 12 are arranged in sequence outside the twisted pair of insulated conductors 9; The second drain wire 15 ; each insulated conductor 9 respectively includes a tinned copper strand stranded conductor 13 , and an insulating layer 14 is wrapped around the tinned copper strand stranded conductor 13 .
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