1 / 5

Product

Commercial diving life-support umbilicalIMCA D 014EN 15333-1Surface & Bell Diving

Diver Umbilical CableIMCA D 014 cabled breathing gas, hot-water, pneumo, comms & video diver umbilical

Q: Why are Diver Umbilical components planetary-cabled together instead of taped in parallel?

Taping hoses and cables in parallel causes individual members to buckle and kink when coiled into a dive basket or pulled around subsea structures. Planetary helical cabling equalises path length across every bend and makes the umbilical torque-balanced and easy to figure-eight on deck.

Q: When should I choose a floating versus a sinking surface-supplied diver umbilical?

Floating umbilicals (negative weight in seawater) are used in shallow civil, dam, or harbour diving where the seabed is littered with debris that could snag a trailing line. Sinking umbilicals are preferred in offshore vessel diving so the umbilical stays clear of vessel thrusters and surface currents.

Q: How are distance marks applied to comply with IMCA D 014?

Standard IMCA colour-coded whipping bands or heat-shrink markers are permanently applied at the diver end and every 5 m and 10 m interval along the entire umbilical length so the dive supervisor and tender can read paid-out length instantly.

Q: Can damaged electrical or hose components be replaced in the field?

On whipped cabled umbilicals, individual colour-coded hoses or the communications/video cable can be unlaid and replaced by a qualified technician without scrapping the entire umbilical, provided the replacement passes hydrostatic and electrical re-certification per IMCA D 018.

Multi-component commercial diving umbilical cabled in a torque-balanced planetary lay per IMCA D 014 and EN 15333-1, combining breathing-gas hose, pneumofathometer line, hot-water hose, 4-wire comms, hat-light power and video coax.

Water-resistant

Anti-torsion braid

EMC screen

Approved

Diver Umbilical Configuration

Order designation: DUC-4P-38-SNK
Bundle OD: 30.2 mm
Gas working P: 52 bar
Weight in sea: 95 kg/km
Breaking load: 22 kN

All sizes (12)

Request a quote Datasheet WhatsApp

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

Standard: IMCA D 014
Gas pressure: 35–70 bar WP
Gas hose ID: 3/8″ or 1/2″
Comms & video: 4W + 75 Ω Coax
Breaking load: 15–50 kN
Buoyancy: Floating/Sink

Typical values for this cable type, based on IMCA D 014 / EN 15333-1 / BS EN 12021 — confirmed in the datasheet and quotation for your order.

Application fit

Is Diver Umbilical Cable right for your machine?

Engineered for commercial surface-supplied air/mixed-gas diving, wet-bell intervention, and saturation bell excursion life support.

Immersion & wet locations

Suitable

Breathable-gas liner meets BS EN 12021 low-odour purity; cabled lay resists kinking under hydrostatic pressure.

Offshore platform & shipboard deck trays

Suitable

Abrasion-resistant TPU component jackets and Optional outer braid withstand dive-basket and tender handling.

Free-hanging vertical run

Suitable

High-strength cabled lay and seized D-ring attachment support vertical deployment from dive baskets and bells.

Motorised monospiral reel

With conditions

Can be stored on powered dive umbilical reels; always pay out and tend per IMCA D 014 tension limits.

Ask engineering

Energy chain / drag chain

Not suitable

Multi-hose life-support diving umbilical is not intended for industrial machinery drag chains.

Use M12 Cordset Assembly

Typical machinesOffshore Commercial DivingSaturation Bell ExcursionCivil & Harbour EngineeringSubsea Hull & Dam InspectionNaval Salvage & Clearance

Construction

Layer by layer

Representative 5-part saturation/surface diver umbilical: 3/8″ breathing gas + 1/4″ pneumo + 1/2″ hot-water hose + comms/hat-light cable + video coax.

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Diver comms, hat-light & video cable	Screened 4×1.0 mm² tinned copper audio quad + 2×2.5 mm² hat-light power + 75 Ω RG-59/mini-coax or twisted pair videoClear 4-wire round-robin audio and flicker-free helmet LED/camera supply
2	Breathing gas supply hose	3/8″ (9.5 mm) or 1/2″ (12.7 mm) ID food-grade low-permeation polyurethane liner with polyester/polyaramid braid (blue jacket)Zero off-gassing per BS EN 12021; 35–70 bar working pressure, 4:1 burst
3	Pneumofathometer depth hose	1/4″ (6.3 mm) ID kink-resistant polyurethane hose (yellow jacket) for continuous diver depth gauge readoutCrush- and kink-resistant under tight bend radii
4	Hot-water suit supply hose	3/8″ or 1/2″ ID thermal-insulated EPDM/TPU hose (red jacket, rated to +95 °C seawater) for deepwater/cold-water divingMaintains diver thermal balance during saturation and cold-water dives
5	Tensile strength member	Planetary cabled hose-and-cable twist lay reinforced with central/interstitial polyaramid rope or braided outer sleeveProvides ≥ 15–50 kN breaking strength with non-rotating handling
6	Component colour jackets & whip	UV- and oil-resistant colour-coded TPU jackets (Blue/Yellow/Red/Green/Black) bound with whipping twine or full outer braidAllows visual inspection and single-component field replacement

DUC-3P / 4P (Surface Demand)

3-part (Gas + Pneumo + Comms) or 4-part (+ Video/Light) twisted cabled umbilical in floating or sinking trim

DUC-5P / BELL (Saturation Excursion)

5-part cabled or over-braided excursion umbilical adding 3/8″ or 1/2″ insulated hot-water hose for bell divers

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on IMCA D 014 / EN 15333-1 / BS EN 12021. Values for your order are confirmed in the datasheet and quotation.

Electrical

Comms & hat-light voltage: 30 V – 250 V AC/DC (low-voltage diver safety)
Audio pair attenuation: Low-capacitance screened star-quad (< 65 pF/m)
Video coaxial impedance: 75 ± 3 Ω (composite / HD-SDI helmet video)
Conductor stranding: IEC 60228 Class 5 tinned copper
Dielectric test voltage: 1,500 V AC rms for 5 min

Thermal

Operating seawater temperature: −5 °C to +50 °C
Hot-water hose rating: Up to +95 °C continuous internal flow
Deck ambient storage: −30 °C to +70 °C

Mechanical

Breathing gas working pressure: 35 bar (500 psi) or 70 bar (1,000 psi)
Breathing gas burst pressure: 140 bar (2,000 psi) or 280 bar (4,000 psi)
Vacuum collapse resistance: 710 mmHg (28 inHg) without liner collapse
Min. breaking load (MBL): 15 kN (3-part) to 50 kN (heavy bell excursion)
Min. bend radius: 8 × overall bundle OD without kinking

Resistance

Breathing gas purity: BS EN 12021 / EN 15333-1 odour & toxicity free
Hydrolysis & microbiological: Polyether TPU jackets resist tropical marine rot
Oil & hydrocarbon splash: Resistant to diesel, compressor oil & hydraulic fluid
Abrasion resistance: Heavy-duty TPU + optional polyester outer overbraid

Reference standards

Offshore diving code: IMCA D 014 / IMCA D 018
Diving umbilical standard: EN 15333-1 / ISO 13293
Hose pressure standard: SAE J517 100R7 / ISO 3949
Electrical conductor standard: IEC 60228 Class 5

Identification

Component colour code: Blue (Gas) · Yellow (Pneumo) · Red (Hot Water) · Black (Elec)
IMCA length marking: Colour-coded whipping bands every 5 m & 10 m from diver end
Customs tariff (HS): 8544.42 / 3917.39

Sizes

12 standard surface-supplied & bell excursion diver umbilical builds

Typical bundle diameter, breathing gas bore, working pressure, weights in air/seawater, and minimum breaking loads.

Umbilical configurations & ratings
Order designation	Component Breakdown	Gas ID mm (in)	Gas WP bar	Bundle OD mm	Weight in air kg/km	Weight in sea kg/km	MBL kN	Min. bend R mm
Surface-Supplied Air & Mixed-Gas Umbilicals (3-Part & 4-Part)
DUC-3P-38-FLT	3/8″ Gas + 1/4″ Pneumo + 4W Comms (Floating)	9.5 (3/8″)	35	27.5	460	-25	15	220
DUC-3P-38-SNK	3/8″ Gas + 1/4″ Pneumo + 4W Comms (Sinking)	9.5 (3/8″)	35	26.8	540	75	18	214
DUC-4P-38-FLT	3/8″ Gas + 1/4″ Pneumo + Comms + Video/Light (Floating)	9.5 (3/8″)	35	31.0	585	-20	20	248
DUC-4P-38-SNK	3/8″ Gas + 1/4″ Pneumo + Comms + Video/Light (Sinking)	9.5 (3/8″)	52	30.2	690	95	22	242
DUC-4P-12-SNK	1/2″ Gas + 1/4″ Pneumo + Comms + Video/Light	12.7 (1/2″)	52	34.5	830	115	25	276
DUC-4P-38-BRD	3/8″ Gas + 1/4″ Pneumo + Comms + Video (Overbraided)	9.5 (3/8″)	52	32.8	760	110	32	262
Hot-Water & Saturation Bell Excursion Umbilicals (5-Part & Main Bell)
DUC-5P-38-HW38	3/8″ Gas + 1/4″ Pneumo + 3/8″ Hot Water + Comms + Video	9.5 (3/8″)	70	38.5	1,040	145	30	308
DUC-5P-38-HW12	3/8″ Gas + 1/4″ Pneumo + 1/2″ Hot Water + Comms + Video	9.5 (3/8″)	70	42.0	1,220	175	35	336
DUC-5P-12-HW12	1/2″ Gas + 1/4″ Pneumo + 1/2″ Hot Water + Comms + Video	12.7 (1/2″)	70	45.2	1,390	195	40	362
DUC-BELL-EX-35M	3/8″ Gas/Reclaim + 3/8″ HW + 1/4″ Pneumo + Comms/Video (Bell Excursion)	9.5 (3/8″)	70	44.0	1,340	180	42	352
DUC-STBY-38-BRD	3/8″ Gas + 3/8″ HW + 1/4″ Pneumo + Comms (Standby Diver Braided)	9.5 (3/8″)	70	36.4	980	140	38	291
DUC-MAIN-BELL-12P	Multi-Gas + Reclaim + 3/4″ HW + Power + FO + Comms (Main Bell)	12.7 (1/2″)	105	68.0	3,450	620	55	544

Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
All gas and pneumo hoses are factory hydrostatically proof-tested to 1.5 × working pressure and flushed/sealed before dispatch.

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
Hydrostatic proof pressure & leak test	1.5 × working pressure (52.5–157.5 bar) hold on all gas/pneumo/HW hoses	Every umbilical assembly
Electrical continuity, IR & video sweep test	1,500 V AC Hi-Pot, ≥ 500 MΩ·km IR, and 75 Ω TDR sweep	Every umbilical assembly
Sample tests
Kink-flow & vacuum collapse test	Flow check around 8 × OD mandrel and 710 mmHg vacuum test	Per hose batch
D-ring strain relief & tensile break test	Verify MBL (15–55 kN) without hose constriction	Type approval

Inspection certificate

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

Product approvals

IMCA D 014 / D 018 CompliantEN 15333-1 / BS EN 12021 Breathing Hose Grade

Company certificates

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

Marking & supply

Ordering & delivery

Sheath marking

TEBAOFLEX DUC IMCA D014 / EN 15333-1 DIVER UMBILICAL [SERIAL] [METRE BAND]

Standard dive lengths: 35 m (bell excursion) · 50 m · 75 m · 100 m · 150 m · 200 m
End terminations: Stainless JIC 37° flare / BSP fittings, seized stainless D-rings & moulded wet-mate subsea plugs
Certification pack: Hydrostatic test chart, gas cleanliness certificate & electrical test report
Lead time: 3–5 weeks ex-works

Technical documents

Downloads

PDFDiver Umbilical Cable – technical datasheet12 sizes · construction, technical data, approvals XLSXDiver Umbilical Cable spec data (Excel)All 12 sizes with dimensions and data, for your BOM or quotation

Revision: 2026-10-20
Updated: 2026-10-20

FAQ

Questions engineers ask first

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

Why are Diver Umbilical components planetary-cabled together instead of taped in parallel?

Taping hoses and cables in parallel causes individual members to buckle and kink when coiled into a dive basket or pulled around subsea structures. Planetary helical cabling equalises path length across every bend and makes the umbilical torque-balanced and easy to figure-eight on deck.

When should I choose a floating versus a sinking surface-supplied diver umbilical?

Floating umbilicals (negative weight in seawater) are used in shallow civil, dam, or harbour diving where the seabed is littered with debris that could snag a trailing line. Sinking umbilicals are preferred in offshore vessel diving so the umbilical stays clear of vessel thrusters and surface currents.

How are distance marks applied to comply with IMCA D 014?

Standard IMCA colour-coded whipping bands or heat-shrink markers are permanently applied at the diver end and every 5 m and 10 m interval along the entire umbilical length so the dive supervisor and tender can read paid-out length instantly.

Can damaged electrical or hose components be replaced in the field?

On whipped cabled umbilicals, individual colour-coded hoses or the communications/video cable can be unlaid and replaced by a qualified technician without scrapping the entire umbilical, provided the replacement passes hydrostatic and electrical re-certification per IMCA D 018.

Request a quote

Get an engineering quote for Diver Umbilical Cable

Your selection and application details are copied into the enquiry form below.

01Selected sizes

Use + Add next to a size or configuration.

02Reel & motion

Add your operating conditions here to include them in your enquiry.

Reel typeDrum core diameter (mm)Cable length on drum (m)Travel speed (m/min)Max. accelerationCycles per hourLength and quantityAmbient temperatureExposure (outdoor, water, oil, abrasion)Destination countryEquipment and operating conditions

03Message for our engineers

Diver Umbilical Cable

Selected sizes:


Reel & motion:
- Reel type: 
- Drum core diameter (mm): 
- Cable length on drum (m): 
- Travel speed (m/min): 
- Max. acceleration: 
- Cycles per hour: 
- Length and quantity: 
- Ambient temperature: 
- Exposure (outdoor, water, oil, abrasion): 
- Destination country: 
- Equipment and operating conditions:

Send via WhatsApp

Datasheet Request a quote

Diver Umbilical CableIMCA D 014 cabled breathing gas, hot-water, pneumo, comms & video diver umbilical

Immersion & wet locations

Offshore platform & shipboard deck trays

Free-hanging vertical run

Motorised monospiral reel

Energy chain / drag chain

DUC-3P / 4P (Surface Demand)

DUC-5P / BELL (Saturation Excursion)

Electrical

Thermal

Mechanical

Resistance

Reference standards

Identification

Inspection certificate

Product approvals

Company certificates

01Selected sizes

02Reel & motion

03Message for our engineers

ROV Tether Cable

ROV Main Lift Umbilical Cable

IWOCS Umbilical

Armoured Underwater Tow Cable