Multi Pair Overall-Shield Armoured
Application
Instrumentation cables are used in diverse applications for control, monitoring, communication, data and voice transmissions signals, and process control circuit in industrial applications such as oil, gas, petrochemical industry, fertilizers, cement, steel plant etc.
Characteristics
- Signal protection between pairs.
- Good electromagnetic protection from external influences.
- Excellent electrical, thermal & physical properties.
- Flame / Fire retardant- highly recommended in areas with high explosion & fire risks.
- Excellent mechanical protection during laying, installation & service.
- Optional class-5 conductor provides extra flexibility.
Properties
- Halogen free
- Excellent fire resistance
- No smoke and fume generation
- Low gas emission
- Good mechanical tensile strength & elongation
Construction
- Conductor : Plain or tin plated copper, class-1 solid, class-2 stranded, class-5 flexible as per IS : 8130, BS 6360, IEC : 60228.
- Insulation : PVC-70°C/HR-85°C/105°C, BS 5308 or polyethylene to BS 6234.
- Pair / Triad identification: Identifications can be done by numbered polyester tape applied over each Pair/Triad or by number printing on core of each Pair / Triad.
- Overall screen : Multi Pair / Triad are laid up together and are shielded with aluminium-mylar tape along with tin copper drain wire longitudinal. Shielding of copper tape can also be provided.
- Inner sheath : Extruded PVC / LSZH inner sheath applied.
- Armour : Galvanized steel wire or strip are applied spirally over inner sheath as mechanical protection.
- Outer sheath : Extruded PVC / FR / FRLS / LSZH sheath (IEC 60502-1)
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