Submarine Emergency Ventilation and Decompression System (SEVDS)

Description
The Submarine Emergency Ventilation and Decompression System (SEVDS) is an advanced, purpose-built solution designed to stabilise the internal environment of a Distressed Submarine (DISSUB), extending life support and facilitating rescue efforts. This cutting-edge system ensures the delivery of breathable air, flushes contaminated atmospheres, and manages internal pressure, creating a safer environment for survivors until rescue teams arrive.
SEVDS is a mission-critical system for managing emergencies in submarine rescues. Its robust design, compatibility with international standards, and focus on survivor safety make it the ultimate choice for navy and marine rescue teams worldwide. By ensuring ventilation, decompression, and toxic gas monitoring, SEVDS extends life support, providing invaluable time for specialist rescue operations.
- Air Supply & Atmosphere Control: SEVDS delivers breathable air to maintain safe oxygen (O2) and carbon dioxide (CO2) levels while flushing toxic gases and smoke.
- Pressure Management: It stabilizes internal pressure, reducing risks associated with surface decompression or emergency ascents.
- Controlled Decompression: The system supports in situ decompression of survivors, ensuring their safety without requiring external decompression facilities.
- Rapid Deployment: Easily deployed and connected via divers or Remote Operated Vehicles (ROVs), SEVDS meets STANAG 1450 coupling standards for compatibility and efficiency.
System Components:
Umbilical Skid Package
- Composite umbilical system with >650m capacity.
- Constant tension guide wire winch with a safe working load (SWL) of 2000kg.
- Gantry trolley featuring load cells and line-out indicators for precise handling.
- Hydraulic power unit and remote control console for streamlined operations.
Machinery Room
- Equipped with medium and low-pressure compressors.
- Vertical air receivers and filtration systems ensure optimal air quality.
- Advanced extraction system and electrical distribution for seamless operation.
Control Room
- Centralized monitoring and control for air flow, gas extraction, and life-support systems.
- Designed to oversee DISSUB stabilization in real time.
Equipment Highlights:
- Heavy-duty structural frame with independent lifting eyes for secure transport and deployment.
- Automated level wind system for umbilical reel management.
- Twin-pump hydraulic power unit (HPU) and subsea control module (SCM) for efficient operations.
- Road transportable design for quick mobilization to the rescue site.
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