Choosing Your TLS Offshore Intelligent Pressurized Container: A Guide to Safety and Efficiency7/4/2025
In the demanding world of offshore energy, safety and efficiency are paramount. TLS Offshore Containers stands at the forefront, offering cutting-edge intelligent pressurized containers designed to meet the rigorous demands of offshore operations. But with two distinct types available – Negative Pressure and Positive Pressure – how do you choose the right one for your specific needs? This guide will help you navigate the decision-making process, ensuring optimal safety and performance. Understanding the Core Principles TLS offers two primary types of intelligent pressurized containers, each operating on a fundamental principle designed to manage hazardous atmospheres: Type 1: Negative Pressure Container Principle: Imagine a vacuum cleaner. A negative pressure container works similarly, creating a lower internal pressure than the surrounding environment. This pressure difference ensures that air flows into the container, effectively preventing any hazardous gases generated inside from escaping. Key Characteristics:
Type 2: Positive Pressure Container Principle: Think of blowing up a balloon. A positive pressure container maintains a higher internal pressure than its surroundings. This constant outward flow of air prevents any hazardous gases from the external environment from entering the container. Key Characteristics:
Making the Right Choice: Key Considerations Selecting the perfect TLS Offshore Intelligent Pressurized Container boils down to a few critical questions: 1. What is your operational environment?
2. What is the primary function of the container?
TLS: Your Partner in Offshore Safety TLS Offshore Containers are meticulously engineered to prioritize safety, efficiency, and regulatory compliance. Whether your needs demand the containment capabilities of a Negative Pressure Container or the protective barrier of a Positive Pressure Container, TLS offers a cutting-edge solution. By carefully evaluating your operational requirements, environmental conditions, and the specific hazard zones involved, you can confidently choose the TLS intelligent pressurized container that provides the assurance and peace of mind you deserve. Ready to enhance your offshore energy storage with unparalleled safety and efficiency? Contact TLS Offshore Containers today to discuss your specific needs and discover the transformative power of our intelligent pressurized solutions. 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: #Offshore Pressurized Container, #Intelligent Offshore Container, #Hazardous Zone Container, #Negative Pressure, #Positive Pressure Container #DNV 2.7-1 Certified Containers, #Explosion Proof Offshore Enclosures, #HVAC Control System, #Custom Offshore Containers Written by OliverIn the demanding world of offshore energy, safety and efficiency aren't just buzzwords – they're absolute necessities. As the industry pushes boundaries, so too must its solutions. That's where A60 Intelligent Pressurized Containers step in, completely transforming how offshore operations manage critical equipment and personnel. These aren't just any containers; they're engineered to thrive in the harshest marine environments, offering unmatched protection and operational agility. What Makes A60 Intelligent Pressurized Containers Stand Out? Crafted by industry leader TLS Offshore Containers, A60 Intelligent Pressurized Containers represent the pinnacle of offshore storage. Every detail is meticulously designed to create a secure and optimal environment for both people and vital equipment. Uncompromised Safety Standards In an environment where a minor oversight can lead to major consequences, safety is non-negotiable. A60 containers lead the pack with their cutting-edge safety features:
Seamless Integration and Rapid Deployment Offshore operations demand speed and adaptability. A60 Intelligent Pressurized Containers are built for just that:
Tailored for Your Unique Needs No two offshore projects are identical, and your solutions shouldn't be either. A60 Intelligent Pressurized Containers offer unparalleled flexibility:
Why A60 Intelligent Pressurized Containers Are Your Best Choice For offshore oil and gas operations seeking reliable, efficient, and supremely safe energy storage solutions, A60 Intelligent Pressurized Containers are the definitive answer. TLS's focus on advanced safety, seamless integration, and adherence to top-tier industry certifications provides the assurance and peace of mind you need. With A60 Intelligent Pressurized Containers, you can confidently navigate the challenges of the offshore environment, knowing you have a robust solution that stands up to the toughest conditions. Ready to elevate the safety and efficiency of your offshore operations? Explore how A60 Intelligent Pressurized Containers can make a difference for your next project. 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: #A60 Intelligent Pressurized Containers, #Offshore Safety Solutions, #Hazardous Area Containers, #Offshore Energy Storage, #TLS Offshore Containers, #DNV 2.7-1 Certified Containers, #Offshore Oil and Gas Safety, #Pressurized Habitable Units, #ATEX Certified Offshore Equipment, #Modular Offshore Solutions Written by OliverIn 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 Written by SnowyIn 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 Written by OliverIn industries where hazardous and flammable materials are part of the daily grind, safety isn't just a buzzword—it's a lifeline. That's where explosion-proof containers step in, acting as essential guardians to minimize the inherent risks of handling dangerous goods. But what makes these containers "explosion-proof," and how do they really stack up against rigorous safety standards? Let's break it down. What Defines an Explosion-Proof Container? At its core, an explosion-proof container is more than just a box; it's a meticulously engineered solution designed for the safe transportation and storage of hazardous materials. These aren't your average storage units. They're built with a suite of specialized design and engineering features, all working in concert to significantly reduce the risk of fires and explosions, thereby safeguarding both people and the environment. The Anatomy of Safety: Key Features ExplainedMeeting explosion-proof standards isn't a single checkmark; it's a culmination of precise design and material choices. Here's how these containers achieve their robust safety profile:
Adhering to the Gold Standard: Regulations and Compliance Designing and utilizing explosion-proof containers isn't a free-for-all. It's a field governed by stringent international and domestic regulations. These regulations, often set by bodies like ATEX, IECEx, NFPA, or UL, cover every facet of hazardous material handling, from container design and manufacturing processes to labeling and transportation protocols. Compliance with these standards isn't just good practice; it's absolutely critical to ensure that explosion-proof containers deliver on their promise of safe handling for hazardous materials. TLS specializes in providing solutions such as pressure containers, laboratory containers, and even negative pressure laboratories that meet rigorous standards like explosion-proof and A60 fire-proof requirements, certified for use in high-risk ZONE1 and ZONE2 areas. This demonstrates the level of expertise and compliance required in this critical field. Ensuring the safe transportation and storage of hazardous materials is a complex undertaking, but with explosion-proof containers built to exacting standards, industries can operate with greater peace of mind. 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: #explosion-proof containers, #hazardous material storage, #dangerous goods transport, #industrial safety containers, #fire resistant containers, #ATEX certified containers, #flammable liquid storage solutions, #explosion suppression systems, #ZONE1 ZONE2 containers, #laboratory explosion-proof containers Written by OliverEnsuring Compliance for Offshore Special Containers: How TLS Guarantees Your Safety and Reliability6/13/2025
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 Written by OliverAs global industrial safety standards continue to evolve, the application of pressurization systems has expanded well beyond their traditional role in explosion-proof containers. Today, pressurized enclosure systems play a critical role in a wide range of high-risk and mission-critical environments—from electrical control rooms and laboratory equipment to logging units used in oil and gas exploration. 1. What Is a Pressurized Container and Why Does It Matter? A pressurized container is a sealed structure that maintains an internal pressure higher than that of the external environment. This overpressure prevents the ingress of dust, corrosive gases, moisture, or flammable vapors. In hazardous environments, when integrated with certified electrical components and safety features, such containers are also known as pressurized explosion-proof containers. Unlike traditional passive protection systems, pressurization systems offer several active protection advantages:
With these benefits, pressurization technology has found its way into a wide range of sectors beyond conventional hazardous zones—including power generation, scientific research, data infrastructure, and offshore platforms. 2. Key Application Areas of Pressurization Systems Pressurized containers are now being widely adopted to protect critical equipment and infrastructure in various industrial settings, such as:
3. Expanding Application Trends in Pressurization Systems With stricter industrial regulations and rising demand for equipment reliability, pressurization technology is rapidly expanding into new industries, including:
These diverse applications underscore the value of pressurized systems as a proactive safety and reliability solution for high-demand industries. Conclusion:A Safer, Smarter Future with Pressurized Systems Pressurized containers have become an essential technology for safeguarding both personnel and high-value assets in industrial environments—especially in high-risk or sensitive zones. By maintaining a consistent internal overpressure and actively preventing the ingress of harmful substances, these systems offer an unmatched level of protection and performance assurance. As technology advances, pressurization systems are becoming increasingly intelligent and efficient—featuring automated pressure regulation, remote monitoring, smart alarms. These innovations allow them to meet the complex requirements of modern industrial operations. Whether deployed onshore or offshore, in a chemical plant, data center, or exploration site, pressurized containers serve as a critical line of defense—helping organizations enhance safety, ensure uptime, and confidently navigate the challenges of today’s industrial landscape. 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. Product brochures: Offshore pressurised mud logging cabin brochure MCC | Switchgear | VFD | VSD pressurised shelter Keywords:#Positive Pressure Enclosure,#Explosion-Proof Enclosure,#Industrial Safety Systems,#Hazardous Area Protection,#MCC Room Positive Pressure,#Laboratory Safety Enclosure,#LWD MWD Logging Cabin,#Data Center Air Purification,#Server Room Positive Pressure,#Oil and Gas Safety Solutions,#Corrosion Protection Systems,#Dustproof Electrical Enclosure,#Positive Pressure Control Room,#Offshore Platform Safety,#Power Plant Equipment Protection,#Substation Environmental Control,#Pressurized Enclosure System,#Flammable Gas Protection System,#Industrial Equipment Longevity,#Explosion-Proof HVAC Systems Written by SnowyIn hazardous chemical environments where flammable gases and vapors are frequently present, the safe operation of electrical systems is not only essential for maintaining production efficiency—it is also critical for protecting personnel and assets. Traditional flameproof (Ex d) solutions are increasingly challenged by their limitations in flexibility, maintenance, and installation costs. TLS, as a specialized manufacturer of functional containerized systems, provides high-safety, easy-to-integrate, and field-deployable pressurized explosion-proof (Ex p) solutions to support safety transformation and intelligent upgrades across the chemical, pharmaceutical, and energy sectors. 1. Why Pressurized Protection is Essential in Hazardous Chemical Zones Chemical facilities typically include Zone 1 and Zone 2 areas, where explosive gas atmospheres may occur under normal or abnormal conditions. Electrical equipment operating in these areas—such as DCS units, PLC panels, communication devices, VFDs, and gas analyzers—can pose a serious ignition risk due to electrical arcs, sparks, or temperature rise. With increasing automation and the centralization of equipment, conventional explosion-proof designs struggle to meet modern requirements, including:
2. TLS Pressurized Enclosure Systems: Creating a Safe Space for Electrical Equipment TLS offers integrated Ex p pressurization systems based on modular container platforms. By maintaining a stable positive pressure within the sealed enclosure, the system prevents flammable gases from entering and coming into contact with potential ignition sources. This approach provides a safe, cost-effective, and scalable solution for explosion protection. All TLS systems are designed in compliance with GB/T 3836.5-2017 and meet the following classification levels:
3. Core Features of TLS Pressurized Containers
4. Why Choose TLS?
Conclusion As a key component in electrical safety infrastructure, pressurized explosion-proof containers are becoming indispensable for achieving intrinsic safety and system reliability in hazardous industries. TLS remains committed to advancing the development and deployment of Ex p systems, helping our clients achieve safer, smarter, and more efficient operations. 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. Product brochures: Offshore pressurised mud logging cabin brochure MCC | Switchgear | VFD | VSD pressurised shelter Keywords:#Pressurized explosion-proof enclosure,#Hazardous area electrical equipment,#Zone 1 and Zone 2 safety,#Explosion-proof container module,#Positive pressure ventilation,#Chemical plant explosion protection,#ATEX and IECEx certified enclosures,#Custom explosion-proof solutions,#Electrical enclosure for flammable gas,#Modular Ex p container systems,#Industrial automation safety,#Explosion-proof electrical housing,#Gas detection and pressure monitoring,#Smart control enclosure system,#Corrosion-resistant electrical cabinet,#Skid-mounted pressurized units,#Offshore and onshore hazardous zones,#Explosion-proof integration solutions Written by SnowyPositive Pressure Explosion-Proof is a widely adopted method used in hazardous environments to prevent explosions by maintaining a higher internal pressure within a sealed container. This controlled internal overpressure effectively blocks the ingress of flammable gases or vapors from the surrounding atmosphere, thereby reducing the risk of explosive gas mixtures forming inside the container. 1. Creating a Protective Barrier Through Pressure Differential At the core of Positive Pressure Explosion-Proof lies the physical principle of gas diffusion—from high-pressure zones to low-pressure zones. By maintaining a slight overpressure inside the container, any external flammable gas is effectively prevented from entering. This isolation ensures that even if explosive gases are present outside, they cannot mix with the air inside, reducing the possibility of ignition. 2. Disrupting the Fire Triangle The fire triangle consists of three essential elements: fuel, oxygen, and an ignition source. An explosion can only occur when all three are present simultaneously. The positive pressure system ensures that the conditions for the formation of explosive gas mixtures inside the container are not present by preventing combustible gases from entering the container, and that even if an ignition source and oxygen are present, an explosive environment will not be formed, thus effectively avoiding the risk of explosion. 3. Structural Integrity and Material Considerations For positive pressure systems to function reliably, the container must be structurally sound and well-sealed. High-quality sealing prevents pressure loss, while the materials used must withstand internal overpressure and resist corrosion from external environmental factors. These design elements are critical to maintaining system integrity over long-term operation in harsh or hazardous conditions. 4. Monitoring and Control Systems Maintaining stable internal pressure is crucial for effective explosion protection. Positive pressure systems typically incorporate pressure sensors, regulators, and control interfaces to monitor and adjust internal pressure levels. When the internal pressure drops below the preset threshold, the pressurization system—either automatically or manually—can be activated to restore positive pressure. Conversely, if the pressure exceeds safety limits, exhaust or relief valves are engaged to prevent over-pressurization and potential structural damage. This dual mechanism ensures both safety and reliability, accommodating various operational scenarios where full automation may not be practical or necessary. Conclusion Positive Pressure Explosion-Proof provides a practical and effective solution for safeguarding electrical equipment, control systems, and instrumentation in hazardous areas. By maintaining an internal overpressure, it minimizes the risk of explosive atmospheres forming inside enclosures, significantly enhancing operational safety. With its widespread use in industries such as oil & gas, petrochemicals, offshore operations, and energy storage systems, understanding and properly implementing this technology is essential. Whether in design, commissioning, or maintenance, a deep understanding of positive pressure principles ensures compliance, safety, and long-term system performance. 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. Product brochures: Offshore pressurised mud logging cabin brochure MCC | Switchgear | VFD | VSD pressurised shelter Keywords:#Positive pressure,#Explosion protection,#Explosion-proof,#Hazardous areas,#Pressurized enclosure,#Overpressure,#Flammable gases,#Ingress protection,#Gas diffusion,#Fire triangle,#Ignition source,#Fuel isolation,#Combustion prevention,#Sealed enclosure,#Pressure monitoring,#Relief valve,#Pressure sensor,#Manual activation,#Control system,#Industrial safety Written by SnowyDesign and Manufacturing Requirements for Functional Enclosures in Different Hazardous Zones4/11/2025
In high-risk industries such as oil & gas, chemical processing, and offshore platforms, explosive gas atmospheres pose significant safety challenges. According to the IEC 60079-10-1 standard, industrial sites are classified into Zone 0, Zone 1, and Zone 2 based on the frequency and duration of the presence of explosive gases. Each zone comes with distinct requirements for the design and construction of functional enclosures, and understanding these differences is critical for safety and regulatory compliance. Zone 0: Continuous Explosive Atmospheres Zone 0 is the most dangerous explosive atmosphere and usually refers to internal spaces such as fuel tanks or chemical reactors where explosive gas mixtures are present continuously or for long periods of time. As a rule, the installation of any non-essential enclosures or electrical equipment in Zone 0 should be avoided.If necessary, only intrinsically safe (Ex ia) or encapsulated (Ex ma) equipment according to IEC 60079-11 is permitted.The system should have continuous gas monitoring capability and be able to trigger an automatic power-off or alarm mechanism when a set threshold is reached.This ensures reliable operation in extreme Zone 0 environments with complete protection against dust and prolonged submersion in water. Zone 1: Occasional Explosive Atmospheres Zone 1 is an area where an explosive atmosphere may occur during normal operation, such as an offshore drilling rig work area or an oil refinery pump room.The enclosure must be protected by one or more of the following methods: explosion-proof (Ex d), pressurised (Ex p) or combined (Ex db + Ex pb).The pressurised system must ensure that the pre-blowing volume is at least 5 times the internal volume of a typical gas (according to IEC 60079-2) or 10 times the internal volume of hydrogen.A pressure monitoring interlock must be installed to automatically shut down the system if the pressure falls below 50 Pa (typical threshold; actual values may depend on product specifications or project requirements).Depending on the environment in which the equipment is installed, the enclosure should have a protection rating of not less than IP54 (indoor) or IP65 (outdoor) to ensure that the dust and water resistance meets the requirements for use.A two-channel gas detector should be installed with an alarm threshold set between 10% and 25% of the LEL (lower explosive limit).Materials must be explosion-proof, anti-static and corrosion-resistant. Zone 2: Rare and Abnormal Explosive Atmospheres Zone 2 areas experience explosive gas atmospheres only in abnormal conditions and for short durations, such as gas station ventilation zones or transition areas adjacent to Zone 1. Allowed equipment types include increased safety (Ex e), non-sparking (Ex nA), restricted breathing (Ex nR), and simplified pressurized enclosures (Ex pz). Even simplified systems must ensure a 5x air volume purge before energization. For outdoor enclosures, materials such as 316L stainless steel is recommended, with steel containers having a minimum thickness of 3 mm and GRP containers a minimum thickness of 8 mm（These thicknesses are based on industry best practices or product-specific standards, not on IEC mandates.）. Conclusion All explosion-proof container designs must strictly follow relevant standards, including IEC 60079, ATEX, and GB 3836. A few critical points to note: The commonly used designation “Ex de” is non-standard. The correct classification is “Ex db eb,” indicating a compound flameproof and increased safety solution. Pressurized containers (Ex p) are not permitted in Zone 0 and are only applicable in Zone 1 and Zone 2. Each hazardous zone imposes increasing or decreasing demands on functional container design. Zone 0 allows only intrinsically safe or encapsulated equipment, Zone 1 requires multi-layered explosion protection strategies, and Zone 2 allows simplified protections but still requires adherence to core safety standards. By aligning design and manufacturing with the appropriate zone classification and international standards, equipment safety and operational integrity can be fully assured in explosive gas environments. 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. Product brochures: Offshore pressurised mud logging cabin brochure MCC | Switchgear | VFD | VSD pressurised shelter Keywords:#Hazardous Zones,#IEC 60079-10-1,#Zone 0,#Zone 1,#Zone 2,#Explosion-proof Enclosures,#Intrinsically Safe (Ex ia),#Encapsulation (Ex ma),#Flameproof (Ex d),#Pressurized (Ex p),#Compound Protection (Ex db + Ex pb),#Purge Systems,#Pre-purging Volume,#Gas Detection,#Automatic Shutdown,#IP68 Protection,#Non-sparking (Ex nA),#Increased Safety (Ex e),#Restricted Breathing (Ex nR),#Corrosion Resistance Written by Snowy |
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