Subsea Electro-Pneumatic Umbilicals

Rated Voltage:Uo/U 300/500 V
Test Voltage:2000 V
Insulation Resistance (20°C):≥ 20 MΩ·km
Min. Bending Radius:Moving install.: ~7.5 x Ø
Fixed install.: ~4 x Ø
Operating Temperature	Moving install.: -5°C to +80°C
Fixed install.: -40°C to +80°C
Radiation Resistance	≤ 80 x 10⁶ cJ/kg (≤ 80 Mrad)

Product Details

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Subsea Electro-Pneumatic Umbilicals

                                             The Lifeline of Deep-Water Operations

Our Subsea Electro-Pneumatic (E-P) Umbilicals are engineered to be the integrated lifelines for your subsea production and control systems. Designed to connect surface facilities to subsea equipment across challenging deep-water environments, they reliably deliver power, control, and essential fluids in a single, robust cable.


Integrated Core Functions

These umbilicals combine multiple critical functions into one optimized solution:

  • Power Transmission: Provides electrical power to subsea control modules, sensors, and instrumentation.

  • Control & Communication: Facilitates command via electrical signals and/or pneumatic impulses, while integrated fiber optics enable high-speed data telemetry for real-time monitoring.

  • Hydraulic Power Supply: Delieves high-pressure hydraulic fluid to operate subsea valves and actuators.

  • Chemical Injection: Dedicated tubes allow for the injection of inhibitors, methanol, or other chemicals directly to the wellhead or flowlines.


Engineered for Reliability & Performance

Built to withstand extreme pressures, temperatures, and dynamic stresses, our umbilicals feature:

  • Custom-Engineered Design: Tailored configurations of electrical cables, hydraulic/pneumatic tubes (steel or thermoplastic), and optical fibers to meet exact project specifications.

  • High-Strength Armor: Layered steel wire armoring provides superior tensile strength and crush resistance for both dynamic and static applications.

  • Durable Sheathing: Advanced polymer outer sheaths ensure long-term protection against corrosion, abrasion, and marine environmental factors.

  • Proven Longevity: Manufactured for a service life of 25+ years with minimal maintenance, supporting CAPEX and OPEX optimization.


Applications

  • Subsea Production Control Systems

  • Manifolds & Tree Controls

  • Subsea Processing Units (Pumps, Compressors)

  • Deep-Water & Ultra-Deep-Water Oil & Gas Fields

  • Offshore Renewable Energy Systems

Our Commitment

We deliver more than a product—we deliver a promise of safety, continuity, and operational excellence. From initial design through continuous manufacturing and stringent testing, our Subsea E-P Umbilicals are developed to ensure unmatched reliability for your most critical subsea investments.

Technical Specifications and project-specific data sheets are available upon request.







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