In industrial environments, safety is paramount, especially when dealing with hazardous materials or explosive atmospheres. That's where a Combined Pressurization Fire & Gas (CPFG) system comes in. More than just a safety device, it's an intelligent guardian for your positive pressure containers, ensuring a safe and compliant operational space.
How Does a CPFG System Work Its Magic?
At its core, a CPFG system is designed to create and maintain a positive pressure environment within an enclosure. Think of it like a protective bubble that keeps dangerous gases out. Here's a breakdown of its sophisticated process:
The Brains and Brawn: Integrated Components
A CPFG system isn't just one piece of equipment; it's a suite of interconnected, smart devices working in harmony. These typically include:
Powering Up and Purging for Safety
When you switch on a CPFG system, the first thing it does is activate the booster fan. This fan rapidly purges the container's interior, filling it with clean air and establishing a positive pressure. This is a critical step, as it physically prevents dangerous gases from entering the enclosure from the outside.
The Green Light: Activating Internal Equipment
Once the CPFG system's detectors confirm that the internal environment is completely safe – meaning no hazardous gases are present and the positive pressure is stable – it then gives the go-ahead for the power distribution board (DB) to activate. This is your cue that it's safe to use the non-explosive electrical equipment inside the container, such as computers, sockets, or water heaters.
Constant Vigilance: Monitoring During Operation
The CPFG system doesn't stop working once your equipment is running. It continuously monitors the environment for any changes.
Why is a CPFG System Essential for Your Business?
Implementing a CPFG system isn't just about compliance; it's about safeguarding lives, protecting valuable assets, and ensuring uninterrupted operations in challenging environments. By actively managing the internal atmosphere of your enclosures, a CPFG system offers unparalleled safety and peace of mind.
TLS Offshore Containers / TLS Energy is a global supplier of standard and customised containerised solutions.
Wherever you are in the world TLS can help you, please contact us.
Product brochures:
Offshore pressurised mud logging cabin brochure
MCC | Switchgear | VFD | VSD pressurised shelter
Keywords: #CPFG system, #Combined Pressurization Fire & Gas system, #Positive pressure container, #Industrial safety, #Hazardous environments, #Explosion protection equipment, #Gas detection system, #Pressurized enclosures, #Safety interlock, #Automatic shutdown system
How Does a CPFG System Work Its Magic?
At its core, a CPFG system is designed to create and maintain a positive pressure environment within an enclosure. Think of it like a protective bubble that keeps dangerous gases out. Here's a breakdown of its sophisticated process:
The Brains and Brawn: Integrated Components
A CPFG system isn't just one piece of equipment; it's a suite of interconnected, smart devices working in harmony. These typically include:
- Gas and Smoke Detectors: The frontline sensors, constantly sniffing out any hazardous gases or smoke that might indicate a problem.
- Heat Detectors and Fire Alarms: Essential for early detection of potential fires, triggering immediate alerts.
- Pressure and Flow Switches: Monitoring the crucial positive pressure within the container, ensuring it remains at safe levels.
- Booster Fans: The workhorses that purge the enclosure and maintain that vital positive pressure.
- Emergency Stop & Alarm Mute Switches: Providing manual overrides for immediate intervention when needed.
- Explosion Protection Equipment: Additional safeguards to mitigate risks in hazardous areas.
Powering Up and Purging for Safety
When you switch on a CPFG system, the first thing it does is activate the booster fan. This fan rapidly purges the container's interior, filling it with clean air and establishing a positive pressure. This is a critical step, as it physically prevents dangerous gases from entering the enclosure from the outside.
The Green Light: Activating Internal Equipment
Once the CPFG system's detectors confirm that the internal environment is completely safe – meaning no hazardous gases are present and the positive pressure is stable – it then gives the go-ahead for the power distribution board (DB) to activate. This is your cue that it's safe to use the non-explosive electrical equipment inside the container, such as computers, sockets, or water heaters.
Constant Vigilance: Monitoring During Operation
The CPFG system doesn't stop working once your equipment is running. It continuously monitors the environment for any changes.
- Immediate Alerts: If gas detectors pick up dangerous fumes or pressure switches indicate a loss of positive pressure, the system's alarms will blare, issuing immediate warnings.
- Automatic Shutdown for Ultimate Protection: In a critical scenario, if the safe conditions within the container aren't restored within a set timeframe after an alarm, the CPFG system automatically shuts off all non-explosive devices. This intelligent fail-safe ensures that potential ignition sources are immediately de-energized, making the general equipment inside the container compliant with blast protection protocols.
Why is a CPFG System Essential for Your Business?
Implementing a CPFG system isn't just about compliance; it's about safeguarding lives, protecting valuable assets, and ensuring uninterrupted operations in challenging environments. By actively managing the internal atmosphere of your enclosures, a CPFG system offers unparalleled safety and peace of mind.
TLS Offshore Containers / TLS Energy is a global supplier of standard and customised containerised solutions.
Wherever you are in the world TLS can help you, please contact us.
Product brochures:
Offshore pressurised mud logging cabin brochure
MCC | Switchgear | VFD | VSD pressurised shelter
Keywords: #CPFG system, #Combined Pressurization Fire & Gas system, #Positive pressure container, #Industrial safety, #Hazardous environments, #Explosion protection equipment, #Gas detection system, #Pressurized enclosures, #Safety interlock, #Automatic shutdown system
Written by Oliver
In high-risk industries such as energy, chemical processing, marine engineering, and intelligent manufacturing, achieving the perfect balance between safety and functionality is paramount. TLS Offshore Containers has drawn on years of expertise in explosion protection, fire resistance, airtight design, and modular integration to develop a new generation of advanced pressurized containers — engineered for safe, reliable, and customized deployment both offshore and onshore.
What Is a Pressurized Container?A pressurized container, especially in its explosion-proof (Ex p) form, is an engineered enclosure capable of maintaining positive internal pressure. By keeping internal air pressure higher than the external environment, it effectively prevents the ingress of flammable gases — making it ideal for deployment in hazardous Zone 1 and Zone 2 areas. These containers provide isolated environments for critical operations in some of the world’s harshest conditions.
Five Key Advantages of TLS Pressurized Containers1. Certified for Global Safety Standards
TLS containers are certified to major international standards, including DNV 2.7-1, EN 60079-13, IECEx, and ATEX. They are fully compliant for use in offshore drilling rigs, FPSOs, LNG terminals, and onshore hazardous zones — ensuring maximum safety wherever deployed.
2. Fully Customizable Design
From container dimensions to electrical systems and interior layout, TLS offers full customization to meet project-specific needs. We provide modular integration of MCC rooms, control stations, VFD cabins, or data acquisition and transmission hubs — all prefabricated to reduce onsite installation time.
3. Reliable Positive Pressure System
Our engineered ventilation system maintains a stable positive pressure environment through air supply, pressure monitoring, and fail-safe interlocks. Automatic alarms or power shutoff mechanisms activate if pressure drops or doors are opened, ensuring system safety and ease of maintenance — even in long-term remote operations.
4. Built for Harsh Environments
TLS containers feature marine-grade anti-corrosion coatings, A60 fire-rated insulation, and reinforced structural designs for wind, vibration, and extreme temperatures. They are built to perform in offshore conditions, desert oilfields, or high-altitude remote sites.
Typical Applications
More Than Just a Container — A Safe, Intelligent System
TLS pressurized containers are not just protective shells — they are fully engineered systems designed for critical safety, intelligent control, and modular integration. As industrial challenges evolve, TLS remains committed to advancing pressurized container technology, delivering smarter, safer working environments for clients worldwide.
TLS Offshore Containers / TLS Special Containers is a global supplier of standard and customised containerised solutions.
Wherever you are in the world TLS can help you, please contact us.
Keywords: #Pressurized Container,#Explosion-proof Enclosure,#Offshore Container,#Zone 1 Zone 2 Certified,#Positive Pressure System,#Modular Container Solution,#IECEx ATEX Certified,#DNV 2.7-1 Cabin,#Hazardous Area Equipment,#A60 Fire Rated,#Custom Engineered Container,#Marine Grade Container,#MCC Control Room,#LNG Safety Container,#Onshore Offshore Applications
What Is a Pressurized Container?A pressurized container, especially in its explosion-proof (Ex p) form, is an engineered enclosure capable of maintaining positive internal pressure. By keeping internal air pressure higher than the external environment, it effectively prevents the ingress of flammable gases — making it ideal for deployment in hazardous Zone 1 and Zone 2 areas. These containers provide isolated environments for critical operations in some of the world’s harshest conditions.
Five Key Advantages of TLS Pressurized Containers1. Certified for Global Safety Standards
TLS containers are certified to major international standards, including DNV 2.7-1, EN 60079-13, IECEx, and ATEX. They are fully compliant for use in offshore drilling rigs, FPSOs, LNG terminals, and onshore hazardous zones — ensuring maximum safety wherever deployed.
2. Fully Customizable Design
From container dimensions to electrical systems and interior layout, TLS offers full customization to meet project-specific needs. We provide modular integration of MCC rooms, control stations, VFD cabins, or data acquisition and transmission hubs — all prefabricated to reduce onsite installation time.
3. Reliable Positive Pressure System
Our engineered ventilation system maintains a stable positive pressure environment through air supply, pressure monitoring, and fail-safe interlocks. Automatic alarms or power shutoff mechanisms activate if pressure drops or doors are opened, ensuring system safety and ease of maintenance — even in long-term remote operations.
4. Built for Harsh Environments
TLS containers feature marine-grade anti-corrosion coatings, A60 fire-rated insulation, and reinforced structural designs for wind, vibration, and extreme temperatures. They are built to perform in offshore conditions, desert oilfields, or high-altitude remote sites.
Typical Applications
- Offshore Oil & Gas Platforms: As MCC cabins, instrumentation rooms, or UPS enclosures
- LNG Terminals & Refineries: Electrical control rooms in Zone 1/2 hazardous areas
- Energy Storage Systems: Isolation chambers for lithium battery safety and gas control
- Ports & Shipyards: Fire- and explosion-protected enclosures for smart control systems
- Extreme Environments: Mobile control centers and communication hubs for high-altitude, cold, or humid climates
More Than Just a Container — A Safe, Intelligent System
TLS pressurized containers are not just protective shells — they are fully engineered systems designed for critical safety, intelligent control, and modular integration. As industrial challenges evolve, TLS remains committed to advancing pressurized container technology, delivering smarter, safer working environments for clients worldwide.
TLS Offshore Containers / TLS Special Containers is a global supplier of standard and customised containerised solutions.
Wherever you are in the world TLS can help you, please contact us.
Keywords: #Pressurized Container,#Explosion-proof Enclosure,#Offshore Container,#Zone 1 Zone 2 Certified,#Positive Pressure System,#Modular Container Solution,#IECEx ATEX Certified,#DNV 2.7-1 Cabin,#Hazardous Area Equipment,#A60 Fire Rated,#Custom Engineered Container,#Marine Grade Container,#MCC Control Room,#LNG Safety Container,#Onshore Offshore Applications
Written by Snowy
In the offshore operational environment, special containers are more than just equipment carriers; they're pivotal for ensuring operational safety and system reliability. For offshore platforms, vessels, and marine engineering facilities, compliance isn't merely a prerequisite for delivery—it's the bedrock of success. At TLS, our expertise in providing highly customized functional container solutions to global energy, petrochemical, and offshore clients means we understand that every detail must align with stringent international standards.
Core Compliance Framework for Offshore Containers
All offshore containers must meet the general safety requirements outlined by the International Maritime Organization (IMO) and the International Convention for the Safety of Life at Sea (SOLAS Convention). These regulations comprehensively cover critical aspects such as lifting, stacking, fire protection, and emergency egress, safeguarding both personnel and equipment.
Furthermore, the ISO 10855 series provides detailed technical specifications for offshore containers used in lifting and transportation, addressing structural strength, drop tests, and pad eye configuration. This standard is widely recognized across international offshore projects. To ensure compliance during sea transport and offshore deployment, TLS actively pursues certifications from major classification societies, including:
Special Requirements for Pressurized Explosion-Proof Modules
For functional containers deployed in Zone 1 or Zone 2 hazardous areas—such as electrical control rooms, testing cabins, or equipment enclosures—TLS offers pressurized explosion-proof modules certified to ATEX and IECEx standards. These certifications are widely accepted across the EU and globally, covering not only electrical components but also wiring systems, explosion-proof lighting, grounding, pressure relief mechanisms, and alarm systems.
To achieve an even higher level of system integrity, TLS incorporates IEC 60079-13 into the design of its pressurized rooms. This internationally recognized standard defines the technical principles for constructing and operating pressurized enclosures in explosive atmospheres. It addresses crucial elements like:
By embedding this standard into our design philosophy, TLS ensures that each module performs reliably, even in critical scenarios such as fan failure, pressure loss, or gas intrusion.
Integration of Additional Relevant Standards
Depending on the specific project scope and regional requirements, TLS solutions can integrate a diverse range of other industry-specific or regional standards. These may include:
TLS Compliance Integration Capabilities
From lifting and transport containers to intelligent pressurized systems with gas monitoring and automation, and offshore accommodation modules—TLS prioritizes total compliance in all its deliveries. We don't just design and manufacture to the required standards; we also facilitate third-party testing, documentation, and certification processes, ensuring seamless project approval.
Conclusion
In the demanding offshore environment, safety, compliance, and reliability are non-negotiable. TLS remains committed to delivering containerized solutions that meet international certifications and are engineered to adapt to the most rigorous offshore conditions.
Interested in learning more about our pressurized modules, explosion-proof designs, or turnkey functional containers? Feel free to reach out to our team today!
TLS Offshore Containers / TLS Special Containers is a global supplier of standard and customised containerised solutions.
Wherever you are in the world TLS can help you, please contact us.
Keywords: #Offshore Special Containers, #Offshore Container Compliance, #Explosion-Proof Modules Offshore, #Customized Container Certification, #ATEX, #IECEx, #Pressurized Offshore Modules, #ISO 10855 Offshore Containers, #IEC60079-13 Pressurized Enclosures, #Marine Engineering Containers
Core Compliance Framework for Offshore Containers
All offshore containers must meet the general safety requirements outlined by the International Maritime Organization (IMO) and the International Convention for the Safety of Life at Sea (SOLAS Convention). These regulations comprehensively cover critical aspects such as lifting, stacking, fire protection, and emergency egress, safeguarding both personnel and equipment.
Furthermore, the ISO 10855 series provides detailed technical specifications for offshore containers used in lifting and transportation, addressing structural strength, drop tests, and pad eye configuration. This standard is widely recognized across international offshore projects. To ensure compliance during sea transport and offshore deployment, TLS actively pursues certifications from major classification societies, including:
- ABS (American Bureau of Shipping)
- LR (Lloyd's Register)
- BV (Bureau Veritas)
- CCS (China Classification Society)
Special Requirements for Pressurized Explosion-Proof Modules
For functional containers deployed in Zone 1 or Zone 2 hazardous areas—such as electrical control rooms, testing cabins, or equipment enclosures—TLS offers pressurized explosion-proof modules certified to ATEX and IECEx standards. These certifications are widely accepted across the EU and globally, covering not only electrical components but also wiring systems, explosion-proof lighting, grounding, pressure relief mechanisms, and alarm systems.
To achieve an even higher level of system integrity, TLS incorporates IEC 60079-13 into the design of its pressurized rooms. This internationally recognized standard defines the technical principles for constructing and operating pressurized enclosures in explosive atmospheres. It addresses crucial elements like:
- Overpressure maintenance
- Air tightness
- Emergency shutdown logic
- Interlock protections
By embedding this standard into our design philosophy, TLS ensures that each module performs reliably, even in critical scenarios such as fan failure, pressure loss, or gas intrusion.
Integration of Additional Relevant Standards
Depending on the specific project scope and regional requirements, TLS solutions can integrate a diverse range of other industry-specific or regional standards. These may include:
- The EN 60079 series for general explosion-proof design.
- NORSOK standards, commonly adopted in Nordic offshore projects.
- The IBC Code (International Bulk Chemical Code) for containers intended for storing hazardous chemicals.
TLS Compliance Integration Capabilities
From lifting and transport containers to intelligent pressurized systems with gas monitoring and automation, and offshore accommodation modules—TLS prioritizes total compliance in all its deliveries. We don't just design and manufacture to the required standards; we also facilitate third-party testing, documentation, and certification processes, ensuring seamless project approval.
Conclusion
In the demanding offshore environment, safety, compliance, and reliability are non-negotiable. TLS remains committed to delivering containerized solutions that meet international certifications and are engineered to adapt to the most rigorous offshore conditions.
Interested in learning more about our pressurized modules, explosion-proof designs, or turnkey functional containers? Feel free to reach out to our team today!
TLS Offshore Containers / TLS Special Containers is a global supplier of standard and customised containerised solutions.
Wherever you are in the world TLS can help you, please contact us.
Keywords: #Offshore Special Containers, #Offshore Container Compliance, #Explosion-Proof Modules Offshore, #Customized Container Certification, #ATEX, #IECEx, #Pressurized Offshore Modules, #ISO 10855 Offshore Containers, #IEC60079-13 Pressurized Enclosures, #Marine Engineering Containers
