Deck Decompression Chamber (DDC)

Every ORCA Diver Decompression Chamber is manufactured to meet or exceed leading global standards, with full compliance options including:

• ASME PVHO
• ASME VIII Div.1
• EN13445 / PD5500
• IMCA D018 & D023
• Lloyd’s Register, DNV, ABS, Bureau Veritas classification options

From routine surface decompression to emergency recompression scenarios, our chambers provide the controlled hyperbaric environment essential for diver safety and long‑term health.

ORCA chambers are engineered around your operation—not the other way around. We offer complete customisation across:

Configurations

• Stand‑alone deck decompression chambers
• Containerised DDC systems (ISO or DNV container options)
• Built‑in / vessel‑integrated systems
• Skid‑mounted or mobile units

Available Chamber Diameters

• 1800mm
• 2000mm
• Other sizes available on request

Materials

• Carbon steel
• Aluminium
• Duplex stainless steel
• Hybrid construction on request

Whatever your vessel layout, dive system, or operational profile, ORCA delivers a chamber tailored to your space, depth rating, and workflow.

Diver safety begins with usability. ORCA DDCs are designed to be intuitive, efficient, and easy to operate, even in high‑pressure offshore environments.

Typical Chamber Features

• Twin‑lock design (Entry Lock + Main Lock)
• 100m depth rating or customised MWP
• Internal and external pneumatic outfitting
• Tungum, stainless steel, and brass pipework
• Minimum of two or three viewports for internal monitoring
• Integrated medical/supply lock
• Hyperbaric‑rated bunks and seating
• Dual‑channel chamber communication system
• Built‑In Breathing System (BIBS) options
• CO₂ & O₂ analysis systems with alarms

Every chamber is pressure‑tested and verified to ensure consistent performance in demanding offshore conditions.

ORCA provides complete system integration for advanced dive operations.

Optional System Enhancements

• Three‑diver air or mixed‑gas control panel
• Helium unscrambler communications
• High‑pressure cylinder banks with LP regulation
• Atmospheric CO₂ scrubbing packs
• BA masks and emergency gas systems
• UPS backup power for chamber and dive panel
• HD video systems for Diver 1 / Diver 2 / Diver 3
• Umbilicals, gas storage, air compressors, and more

All systems are built for plug‑and‑play operation, facilitating rapid deployment for offshore, coastal, or mobile dive teams.

Reliability Under Pressure

• Our chambers are designed to withstand the harshest marine environments, ensuring dependable performance when diver safety is at stake.

Tailored to Your Mission

• We specialise in customised hyperbaric solutions that integrate perfectly into vessels, dive spreads, offshore platforms, and coastal dive bases.

Built for Compliance

• Every ORCA DDC is engineered with certification in mind, simplifying approvals and ensuring full operational readiness.

Hyperbaric Expertise You Can Trust

• From decompression operations to emergency treatment capability, ORCA chambers deliver the proven safety infrastructure required by commercial diving teams worldwide.