Product Overview
The S3/S7 BFOU(i) 250V Offshore Instrumentation Cable sets the highest standard for fire-resistant signal transmission in demanding offshore environments. Engineered with advanced mica glass tape technology and individual pair screening, this cable ensures uninterrupted circuit integrity during fire emergencies while providing superior mud resistance for the most challenging offshore drilling and production applications.
Key Features & Benefits
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Advanced Fire Resistance: Mica glass tape construction maintains critical circuit integrity under extreme fire conditions
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Individual Pair Screening: Dedicated screening for each twisted pair/triple ensures optimal EMI protection and signal quality
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Superior Mud Resistance: Special SHF Mud sheath withstands harsh offshore drilling conditions and environmental exposure
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Complete Safety System: Fire resistant, low smoke, and halogen-free properties provide maximum personnel protection
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Robust Mechanical Design: Tinned copper braid armour offers exceptional durability and reliable grounding continuity
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Dual Insulation Protection: Mica glass tape combined with EPR ensures both fire survival and electrical reliability
Applications
Critical signal transmission systems where fire integrity and mud resistance are essential:
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Emergency Safety Systems: Fire and gas detection, emergency shutdown circuits
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Critical Process Control: Safety interlocks, alarm systems, and emergency communications
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Drilling Operations: Mud-resistant applications on jack-up rigs and semi-submersibles
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Production Platforms: TLP, SPAR, fixed platforms, and FPSO vessels
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Hazardous Area Instrumentation: Sensors and control devices in classified zones
Construction
Advanced layered construction for maximum reliability:
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Conductor: Circular tinned stranded copper (0.75/1.5/2.5mm²) compliant with IEC 60228
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Insulation: Mica glass tape and Ethylene Propylene Rubber (EPR) for dual protection
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Individual Screening:
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Color-coded cores twisted as pairs/triples
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Copper-backed polyester tape screening with copper drain wire
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Each pair/triple wrapped with polyester tape over screen
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Cabling: Screened pairs laid up together and wrapped with polyester tape
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Inner Covering: Halogen-free flame retardant compound
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Braid Armour: Tinned copper wire braid manufactured per IEC 60092-350
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Outer Sheath: Halogen-free thermoset compound, Type SHF Mud
Specifications
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Rated Voltage: 250V
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Conductor Sizes: 0.75mm², 1.5mm², 2.5mm²
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Fire Performance: Fire resistant (circuit integrity maintained)
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Screening Type: Individual pair screening
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Standards Compliance: NEK 606:2009, IEC 60228, IEC 60092-350
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Safety Features: Fire resistant, low smoke, halogen-free
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Mud Resistance: SHF Mud sheath compound
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Armour Type: Tinned copper braid
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Temperature Rating: -40°C to +90°C operational
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Installation: Suitable for fixed and moving offshore installations