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BS 6883/BS7917 Offshore & Marine cables
Fire Resistant Instrumentation & Control Cables
HF-EPR Insulated, SW2/SW4 Sheathed, Collectively Screened Armoured Fire ResistantInstrumentation & Control Cables
Application:
HF-EPR Insulated, SW2/SW4 Sheathed, Collectively Screened Armoured Fire ResistantInstrumentation & Control Cables are designed for fixed wiring in ships and on mobile offshore units, suitable for use in instrumentation, lighting and control circuits where fire integrity is essential.
Standards:
BS 7917
IEC 60331-31 Fire resistant
IEC 60332-3A Flame retardant
IEC 60754-1; IEC 60754-2 Corrosivity
IEC 61034-2 Smoke density
Cold bend and impact (-40°C) (on request)
CSA C22.2 No. 38-95 (on request)
Construction:
Conductor: Tinned copper wire stranded circular cl. 2 BS 6360/IEC 60228.
Insulation: Mica tape + HF-EPR GP4 according to BS 7655 1.2.
Lay-up: Pairs, triples.
Collective Screen: Aluminium/polyester tape + drain wire tinned copper.
Inner Sheath: Halogen free thermosetting compound SB1 according to BS 7917.
Armour: Galvanized steel wire braid. Tinned bronze wire braid can be offered upon request.
Outer Sheath: Halogen free thermosetting compound SW4 according to BS 7655 2.6 or reduced halogen thermosetting compound SW2 according to BS 7655 2.6.
Mechanical and Thermal Properties:
Minimum Internal Bending Radius: 8×OD
Temperature Range: -40℃ ~ +90℃
Dimensions and Weight:
| Construction No. of cores×Cross section (mm²) |
Nominal Insulation Thickness mm |
Nominal Inner Sheath Thickness mm |
Minimum Diameter Over Inner Sheath mm |
Maximum Diameter Over Inner Sheath mm |
Nominal Armour Wire Diameter mm |
Nominal Outer Sheath Thickness mm |
Minimum Overall Diameter mm |
Maximum Overall Diameter mm |
Approx. Weight kg/km |
|---|---|---|---|---|---|---|---|---|---|
| Multipair | |||||||||
| 3×2×0.75 | 0.8 | 1.2 | 14.0 | 16.0 | 0.3 | 1.4 | 18.1 | 20.5 | 450 |
| 7×2×0.75 | 0.8 | 1.4 | 18.6 | 20.7 | 0.3 | 1.5 | 22.9 | 25.8 | 720 |
| 12×2×0.75 | 0.8 | 1.6 | 24.4 | 27.0 | 0.3 | 1.7 | 29.1 | 32.7 | 1080 |
| 20×2×0.75 | 0.8 | 1.8 | 30.8 | 34.0 | 0.45 | 2.0 | 36.8 | 40.7 | 1480 |
| 27×2×0.75 | 0.8 | 1.9 | 35.0 | 38.4 | 0.45 | 2.2 | 41.4 | 45.9 | 2140 |
| 37×2×0.75 | 0.8 | 2.1 | 38.8 | 42.6 | 0.45 | 2.3 | 45.4 | 50.1 | 2710 |
| 3×2×1 | 0.8 | 1.2 | 14.8 | 16.8 | 0.3 | 1.4 | 18.9 | 21.3 | 460 |
| 7×2×1 | 0.8 | 1.4 | 19.6 | 22.0 | 0.3 | 1.6 | 24.1 | 27.1 | 780 |
| 12×2×1 | 0.8 | 1.6 | 25.8 | 28.5 | 0.3 | 1.8 | 30.7 | 34.4 | 1170 |
| 20×2×1 | 0.8 | 1.8 | 32.6 | 35.8 | 0.45 | 2.1 | 38.8 | 43.2 | 1860 |
| 27×2×1 | 0.8 | 2.0 | 37.3 | 40.8 | 0.45 | 2.2 | 43.7 | 48.3 | 2330 |
| 37×2×1 | 0.8 | 2.2 | 41.3 | 45.2 | 0.45 | 2.4 | 48.1 | 53.3 | 2980 |
| Multitriple | |||||||||
| 3×3×0.75 | 0.8 | 1.3 | 15.0 | 17.0 | 0.3 | 1.4 | 19.1 | 21.5 | 510 |
| 7×3×0.75 | 0.8 | 1.4 | 20.5 | 23.0 | 0.3 | 1.6 | 25.1 | 28.1 | 810 |
| 12×3×0.75 | 0.8 | 1.7 | 25.6 | 28.3 | 0.45 | 1.9 | 31.4 | 35.1 | 1370 |
| 3×3×1 | 0.8 | 1.3 | 15.8 | 17.8 | 0.3 | 1.5 | 20.1 | 22.9 | 550 |
| 7×3×1 | 0.8 | 1.5 | 21.9 | 24.4 | 0.3 | 1.7 | 26.6 | 29.7 | 910 |
| 12×3×1 | 0.8 | 1.7 | 27.1 | 29.8 | 0.45 | 2.0 | 33.1 | 36.9 | 1510 |