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Product

submarine & offshore armoured optical cable ITU-T G.972 / MINISUB LW 8,000 mOptical (-20 to +70 °C)High-Density Polyethylene (HDPE) She

MINISUB LW Up to 192F 8,000 m Full-Ocean-Depth Lightweight Steel-Vault Submarine Optical CableITU-T G.972 / MINISUB LW 8,000 m — Optical — -20 to +70 °C Subsea & Offshore Cable

MINISUB LW Up to 192F 8,000 m Full-Ocean-Depth Lightweight Steel-Vault Submarine Optical Cable (ITU-T G.972 / MINISUB LW 8,000 m) engineered for Optical service across -20 to +70 °C (min. bend radius 20 × OD).

Water-resistant

Ozone, UV & moisture

Oil-resistant

Approved

Configuration

Order designation: MINISUB LW 8000m 4–12F EOM/Sub
Outer Ø ≈: 8.2 mm
Net weight ≈: 260 kg/km
Tensile rating ≈: 48.0 kN
Core / stranding: Laser-welded SS FIMT + Steel/Aramid Armour

All sizes (3)

Request a quote Datasheet WhatsApp info@tebaoflex.com

Engineering reply in 2 business hoursCut-to-length export drumsEN 10204 3.1 certificate per drum

Rated voltage: Optical
Operating temp.: −20…+70 °C
Min. bend radius: 20 × OD
Core / conductor: Laser-Welded SS
Outer protection: High-Density Pol
Standard: ITU-T G.972 / MI

Typical values for this cable type, based on ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification — confirmed in the datasheet and quotation for your order.

Application fit

Is MINISUB LW 8000m right for your machine?

Fixed installation

Suitable

Laser-welded stainless-steel / copper-tube FIMT or water-blocked loose-tube construction protects ITU-T G.652D / G.654E / OM3/OM4 fibres.

Immersion & wet locations

Suitable

Hermetic metallic optical tube, steel vault and high-density PE/PUR serving withstand up to 8,000 m deep-ocean hydrostatic pressure.

Offshore platform & shipboard deck trays

Suitable

Galvanized steel or bronze wire armour and SHF2-MUD / PUR / PE jacket resist seabed abrasion, fishing-gear impact, oil and drilling mud.

Drilling jumbo & rotary mast feed

Suitable

NEK 606 QFCU and IEEE 1580 S670T executions maintain high-speed optical telemetry across hazardous offshore topside zones.

Energy chain / drag chain

Not suitable

Submarine and armoured offshore optical cable is not intended for indoor factory automation drag chains.

Use Deepwater ROV Optical Tether

Typical machinesUnderwater & Ocean ExplorationSubmarine Telecom & Cabled Ocean ObservatoriesIsland, Coastal & Inter-Platform Subsea Optical LinksOffshore Platform & FPSO Fire-Safe Optical BackbonesTactical Marine & Harsh-Environment Optical Deployment

Construction

Layer by layer

Shown: MINISUB LW 8000m (ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification) featuring laser-welded ss loose tube (up to 192f), high-tensile steel wire pressure vault and high-density polyethylene (hdpe) sheath (4-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Laser-Welded SS Loose Tube (Up to 192F)	Hermetic stainless-steel tube housing single-mode optical fibers
2	High-Tensile Steel Wire Pressure Vault	Interlocking steel wire vault rated for 8,000 m ocean depth
3	Laser-Welded Copper Power Conductor Tube	Continuous copper tube for long-haul DC constant-current feeding
4	High-Density Polyethylene (HDPE) Sheath	High-dielectric black HDPE outer insulating & protective jacket

MINISUB LW 8000m — Standard Subsea & Offshore Execution

Built to ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification with laser-welded ss loose tube (up to 192f) and high-density polyethylene (hdpe) sheath

MINISUB LW 8000m — Custom Continuous Winch / Reel Length

Available in custom continuous subsea winch, tow or seabed lengths with water-blocked terminations

MINISUB LW 8000m — Hydrostatic, Tensile & Routine Certified

Supplied with EN 10204 3.1 routine dielectric, optical OTDR / DC resistance & tensile test report

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: Optical (ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification)
Core / conductor construction: Laser-Welded SS Loose Tube (Up to 192F) — Hermetic stainless-steel tube housing single-mode optical fibers
Primary dielectric / buffering: High-Tensile Steel Wire Pressure Vault — Interlocking steel wire vault rated for 8,000 m ocean depth

Thermal

Continuous operating temperature: −20…+70 °C (subsea & offshore duty)
Hydrostatic & thermal stability: Verified thermal and hydrostatic stability per ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification
Storage & transport temperature: −40…+80 °C on export wooden/steel winch reel

Mechanical

Outer protection / armouring: High-Density Polyethylene (HDPE) Sheath — High-dielectric black HDPE outer insulating & protective jacket
Minimum bending radius: 20 × OD
Armour, strength member & mechanical duty: Laser-Welded Copper Power Conductor Tube — Continuous copper tube for long-haul DC constant-current feeding

Resistance

Seawater, hydrostatic & hydrolysis resistance: Engineered for continuous seawater immersion, pressure cycling and hydrolysis resistance per ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification
Oil, drilling mud & abrasion resistance: Resistant to marine hydraulic oils, salt mist, winch sheave wear and seabed abrasion per ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification
Environmental & test standards: IEC 60228 / IEC 60794 / ITU-T G.972 / IEEE 1580 / EN 10204
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: MINISUB LW 8000m
Sheath colour & metre marking: Continuous metre-marked black outer finish (High-Density Pol)
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard MINISUB LW 8000m subsea & offshore configurations

Manufactured to ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification for subsea, oceanographic, ROV, seismic and offshore applications.

Dimensions, tensile load & weights
Order designation	Configuration	Core / stranding	Outer Ø ≈ mm	Net weight ≈ kg/km	Breaking / tensile kN ≈	Min. bend R mm
MINISUB LW 8000m Construction Schedule (−20…+70 °C)
MINISUB LW 8000m 4–12F EOM/Sub	4–12 × ITU-T G.652D / G.654E SM (+ Power)	Laser-welded SS FIMT + Steel/Aramid Armour	8.2	260	48.0	125
MINISUB LW 8000m 24–48F EOM/Sub	24–48 × ITU-T G.652D / G.654E SM (+ Power)	Laser-welded SS FIMT + Contra-Helical Steel	17.5	680	120.0	260
MINISUB LW 8000m 96–192F Trunk	96–192 × ITU-T G.654E / G.652D Submarine	SS Tube + Steel Vault + Cu Tube + DA Armour	28.0	1,650	300.0	420

Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
Custom core cross-sections, pair/fibre counts, armour breaking loads and continuous winch/seabed lengths available per ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ / Atten. Ω/km or dB/km	Rating / Impedance	Operating temp.
4–12 × ITU-T G.652D / G.654E SM (+ Power)	0.35	≤0.35 dB/km @ 1310 nm	−20…+70 °C
24–48 × ITU-T G.652D / G.654E SM (+ Power)	0.21	≤0.21 dB/km @ 1550 nm	−20…+70 °C
96–192 × ITU-T G.654E / G.652D Submarine	0.18	≤0.18 dB/km @ 1550 nm	−20…+70 °C

Every production length undergoes routine conductor DC resistance, high-voltage dielectric or OTDR continuity and dimensional verification.

Quality & approvals

Testing & inspection

Routine tests on every production length, sample and type tests per batch — documented on an EN 10204 3.1 inspection certificate.

ConductorClass 5 stranding
Spark test100 % in-line
Lay-upCores, earth, fillers
SheathingInner, braid / screen, outer
Electrical testsAC voltage, resistance
DimensionsOD, wall thickness
Inspection documents & dispatchDrum & dispatch

Testing & inspection	Test value / reference	Frequency
Routine tests
Conductor resistance, optical OTDR continuity & dimensional verification (ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification)	DC resistance at 20 °C / optical attenuation and outer diameter within ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification)	Zero dielectric breakdown and verified insulation resistance for Optical rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, tensile breaking load & water-blocking qualification (ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification)	Verified subsea pressure integrity, torque-balanced tensile performance and thermal stability across −20…+70 °C	Type qualification & periodic lot audit

Inspection certificate

Issued with every drum, listing the routine test results for that length.

Product approvals

ITU-T G.972 / MINISUB LW 8,000 m CompliantEN 10204 3.1 Factory Test CertificateCE, RoHS 2 (2011/65/EU) & REACH

Company certificates

ISO 9001ISO 14001ISO 45001VDE marks approvalUL / cULCE · LVD / EMC

Marking & supply

Ordering & delivery

Sheath marking

TEBAOFLEX MINISUB LW 8000m ITU-T G.972 / MINISUB LW 8,000 m Optical CE

Delivery form: Heavy-duty export fumigated wooden drums, steel oceanographic winch reels or submarine turntables
Standard lengths: 500 m, 1,000 m, 3,000 m, 6,000 m or custom continuous subsea lengths
MOQ: 100 m (standard configurations) · 500 m (custom subsea builds)
Lead time: 2–6 weeks ex-works
Incoterms: EXW, FCA, FOB, CIF, DAP

Technical documents

Downloads

PDFMINISUB LW Up to 192F 8,000 m Full-Ocean-Depth Lightweight Steel-Vault – technical datasheet3 sizes · construction, technical data, approvals XLSXMINISUB LW 8000m spec data (Excel)All 3 sizes with dimensions and data, for your BOM or quotation

Revision: 2026-10-26
Updated: 2026-10-26

FAQ

Questions engineers ask first

Not covered here? Send your drawing — an engineer replies within 2 business hours.

What governing standard and construction define MINISUB LW 8000m (MINISUB LW Up to 192F 8,000 m Full-Ocean-Depth Lightweight Steel-Vault Submarine Optical Cable)?

MINISUB LW 8000m (MINISUB LW Up to 192F 8,000 m Full-Ocean-Depth Lightweight Steel-Vault Submarine Optical Cable) is manufactured in accordance with ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification for Optical service over -20 to +70 °C. Its 4-layer construction comprises laser-welded ss loose tube (up to 192f), high-tensile steel wire pressure vault and high-density polyethylene (hdpe) sheath.

What is the minimum bending radius and operating temperature range for MINISUB LW 8000m?

The minimum bending radius for MINISUB LW 8000m is 20 × OD across its continuous operating temperature range of -20 to +70 °C, ensuring mechanical, hydrostatic and dielectric reliability in subsea and offshore service.

How are the concentric layers of MINISUB LW 8000m arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Laser-Welded SS Loose Tube (Up to 192F) — Hermetic stainless-steel tube housing single-mode optical fibers; (02) High-Tensile Steel Wire Pressure Vault — Interlocking steel wire vault rated for 8,000 m ocean depth; (03) Laser-Welded Copper Power Conductor Tube — Continuous copper tube for long-haul DC constant-current feeding; (04) High-Density Polyethylene (HDPE) Sheath — High-dielectric black HDPE outer insulating & protective jacket.

What factory test certificates are supplied with MINISUB LW 8000m?

Every production drum of MINISUB LW 8000m undergoes routine conductor resistance/OTDR continuity, high-voltage dielectric and dimensional testing per ITU-T G.972 MINISUB LW 8,000 m Full-Ocean-Depth Lightweight Submarine Optical Specification, and is delivered with an EN 10204 3.1 factory test certificate.

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01Selected sizes

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03Message for our engineers

MINISUB LW 8000m MINISUB LW Up to 192F 8,000 m Full-Ocean-Depth Lightweight Steel-Vault Submarine Optical Cable

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