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Product

4,000 m pressure-balanced oil-filled wet-mateable EFL assemblyAPI Spec 17F / ISO 13628-61,000/2,000 V rms (40 A)4,000 m PBOF Wet-Mate

TC6A 4,000m Pressure-Balanced Oil-Filled (PBOF) Subsea EFL AssemblyAPI Spec 17F / ISO 13628-6 · 1.8/3 kV · 4,000 m pressure-balanced oil-filled

TC6A 4,000m Pressure-Balanced Oil-Filled (PBOF) Subsea EFL Assembly (API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard) engineered for 1.8/3 kV service across -20 °C to +70 °C (min. bend radius 10 × OD).

Water-resistant

EMC screen

Oil-resistant

Approved

Configuration

Order designation: TC6A PBOF EFL Config A (Compact)
Outer Ø ≈: 10.4 mm
Net weight ≈: 155 kg/km
Tensile rating ≈: 4.5 kN
Core / stranding: Stranded tinned Cu (IEC 60228 / ASTM)

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: 1.8/3 kV
Operating temp.: −20…+70 °C
Min. bend radius: 10 × OD
Core / conductor: 4 / 7 / 12-Way
Outer protection: PBOF Hose
Standard: API Spec 17F

Typical values for this cable type, based on API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard — confirmed in the datasheet and quotation for your order.

Application fit

Is TC6A PBOF EFL right for your machine?

Immersion & wet locations

Suitable

Water-blocked core matrix and hydrolysis-resistant subsea jacketing withstand continuous deepwater hydrostatic pressure.

Vertical / spreader reel

Suitable

Torque-balanced aramid or contra-helical steel armour supports vertical winch deployment without hockling.

Offshore platform & shipboard deck trays

Suitable

Marine-grade outer sheath and armour package resist LARS sheave abrasion, UV exposure and salt-spray corrosion.

Trailing & towing

Suitable

High tensile breaking strength supports underwater towing, ROV excursion and seabed plough/trencher duty.

Energy chain / drag chain

Not suitable

Subsea umbilical and tow construction is not intended for high-cycle indoor factory drag chains.

Use Drag-Chain Servo Cable

Typical machinesMarine & Offshore CableWork-Class & Observation ROV SystemsOffshore Wind & Subsea Power GridsOceanographic, Sonar & Seismic SurveyCommercial Diving & Subsea Intervention

Construction

Layer by layer

Shown: TC6A PBOF EFL (API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard) featuring power & tsp comms cores (4 / 7 / 12-way), dielectric oil compensation medium and tc6a wet-mateable connector (4-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Power & TSP Comms Cores (4 / 7 / 12-Way)	1,000/2,000 V rms power cores (20–40 A) + twisted screened pairs (RS-485/CAN)
2	Dielectric Oil Compensation Medium	15 bar pre-filled dielectric fluid balancing hydrostatic pressure to 4,000 m (400 bar)
3	TC6A-700 / TC6A-712 PBOF Hose Wall	Elastomeric liner + synthetic braid (11 kN ultimate load, 90 bar burst) + yellow cover
4	TC6A Wet-Mateable Connector	Super-Duplex UNS S32550 shell + Alloy 625 inlay + dual-diaphragm shuttle-pin insert

TC6A PBOF EFL — Standard Subsea & Marine Execution

Built to API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard with power & tsp comms cores (4 / 7 / 12-way) and tc6a wet-mateable connector

TC6A PBOF EFL — Custom Drum Length & Termination Kit

Available in custom continuous subsea/wellbore drum lengths or pre-terminated assemblies

TC6A PBOF EFL — Routine & Hydrostatic Test Certified

Supplied with EN 10204 3.1 routine dielectric, resistance & pressure/dimensional report

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: 1.8/3 kV (API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard)
Core / conductor construction: Power & TSP Comms Cores (4 / 7 / 12-Way) — 1,000/2,000 V rms power cores (20–40 A) + twisted screened pairs (RS-485/CAN)
Primary dielectric / buffering: Dielectric Oil Compensation Medium — 15 bar pre-filled dielectric fluid balancing hydrostatic pressure to 4,000 m (400 bar)

Thermal

Continuous operating temperature: −20…+70 °C (subsea, marine & submersible duty)
Short-circuit / peak thermal rating: Verified thermal stability per API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard
Storage & transport temperature: −40…+80 °C on export wooden/steel drum

Mechanical

Outer protection / armouring: TC6A Wet-Mateable Connector — Super-Duplex UNS S32550 shell + Alloy 625 inlay + dual-diaphragm shuttle-pin insert
Minimum bending radius: 10 × OD
Hydrostatic, tensile & crush duty: TC6A-700 / TC6A-712 PBOF Hose Wall — Elastomeric liner + synthetic braid (11 kN ultimate load, 90 bar burst) + yellow cover

Resistance

Hydrostatic pressure & water blocking: Engineered for continuous submersion and hydrostatic integrity per API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard
Seawater, oil & chemical resistance: Resistant to seawater hydrolysis, hydraulic oils and abrasion per API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard
Environmental & test standards: IEC 60228 / IEC 60332 / ISO 13628-5 / EN 10204
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: TC6A PBOF EFL
Sheath colour & metre marking: Continuous metre-marked yellow outer finish (PBOF Hose + UNS S32550)
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard TC6A PBOF EFL subsea & marine configurations

Manufactured to API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard for subsea, offshore, deep-well and marine applications.

Dimensions, tensile load & weights
Order designation	Configuration	Core / stranding	Outer Ø ≈ mm	Net weight ≈ kg/km	Tensile rating kN ≈	Min. bend R mm
TC6A PBOF EFL Construction Schedule (−20…+70 °C)
TC6A PBOF EFL Config A (Compact)	4×2×24 AWG + 2×18 AWG (or 4C)	Stranded tinned Cu (IEC 60228 / ASTM)	10.4	155	4.5	85
TC6A PBOF EFL Config B (Standard)	4×2×20 AWG + 4×16 AWG (or 8C)	Stranded tinned Cu (IEC 60228 / ASTM)	13.3	265	9.6	110
TC6A PBOF EFL Config C (Heavy Hybrid)	8×2×20 AWG + 4×12 AWG (or 12C)	Stranded tinned Cu (IEC 60228 / ASTM)	16.6	420	18.5	140

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 grades and factory drum lengths available per API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ / Atten. Ω/km or dB/km	Rating / Impedance	Operating temp.
4×2×24 AWG + 2×18 AWG (or 4C)	28.40	1.8/3 kV (45–100 Ω data)	−20…+70 °C
4×2×20 AWG + 4×16 AWG (or 8C)	10.70	1.8/3 kV (45–100 Ω data)	−20…+70 °C
8×2×20 AWG + 4×12 AWG (or 12C)	5.40	1.8/3 kV (High-Power Hybrid)	−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, continuity & dimensional verification (API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard)	DC resistance at 20 °C / optical attenuation and outer diameter within API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard)	Zero dielectric breakdown and verified insulation resistance for 1.8/3 kV rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, water-blocking & mechanical endurance qualification (API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard)	Verified submersion integrity, tensile load 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

API Spec 17F / ISO 13628-6 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 TC6A PBOF EFL API Spec 17F / ISO 13628-6 1.8/3 kV CE

Delivery form: Heavy-duty export fumigated wooden drums or steel subsea reels
Standard lengths: 500 m, 1,000 m or custom continuous subsea/wellbore lengths
MOQ: 100 m (standard configurations) · 500 m (custom builds)
Lead time: 2–5 weeks ex-works
Incoterms: EXW, FCA, FOB, CIF, DAP

Technical documents

Downloads

PDFTC6A 4,000m Pressure-Balanced Oil-Filled (PBOF) Subsea EFL Assembly – technical datasheet3 sizes · construction, technical data, approvals XLSXTC6A PBOF EFL spec data (Excel)All 3 sizes with dimensions and data, for your BOM or quotation

Revision: 2026-10-25
Updated: 2026-10-25

FAQ

Questions engineers ask first

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

What governing standard and construction define TC6A PBOF EFL (TC6A 4,000m Pressure-Balanced Oil-Filled (PBOF) Subsea EFL Assembly)?

TC6A PBOF EFL (TC6A 4,000m Pressure-Balanced Oil-Filled (PBOF) Subsea EFL Assembly) is manufactured in accordance with API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard for 1.8/3 kV service over -20 °C to +70 °C. Its 4-layer construction comprises power & tsp comms cores (4 / 7 / 12-way), dielectric oil compensation medium and tc6a wet-mateable connector.

What is the minimum bending radius and operating temperature range for TC6A PBOF EFL?

The minimum bending radius for TC6A PBOF EFL is 10 × OD across its continuous operating temperature range of -20 °C to +70 °C, ensuring mechanical and dielectric reliability in subsea, marine and submersible service.

How are the concentric layers of TC6A PBOF EFL arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Power & TSP Comms Cores (4 / 7 / 12-Way) — 1,000/2,000 V rms power cores (20–40 A) + twisted screened pairs (RS-485/CAN); (02) Dielectric Oil Compensation Medium — 15 bar pre-filled dielectric fluid balancing hydrostatic pressure to 4,000 m (400 bar); (03) TC6A-700 / TC6A-712 PBOF Hose Wall — Elastomeric liner + synthetic braid (11 kN ultimate load, 90 bar burst) + yellow cover; (04) TC6A Wet-Mateable Connector — Super-Duplex UNS S32550 shell + Alloy 625 inlay + dual-diaphragm shuttle-pin insert.

What factory test certificates are supplied with TC6A PBOF EFL?

Every production drum of TC6A PBOF EFL undergoes routine conductor resistance/continuity, high-voltage dielectric and dimensional testing per API Spec 17F / ISO 13628-6 4,000 m PBOF EFL Standard, and is delivered with an EN 10204 3.1 factory test certificate.

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TC6A 4,000m Pressure-Balanced Oil-Filled (PBOF) Subsea EFL Assembly

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