In offshore platforms, chemical testing sites, research labs, and remote mining areas, maintaining a safe and stable operating environment is critical. TLS Positive Pressure Test Cabinets are designed for these demanding scenarios, keeping internal pressure higher than the surrounding environment to protect personnel and sensitive equipment.

Core Design Principles

The basic principle of a positive pressure test cabinet is simple: maintain slightly higher air pressure inside than outside. This creates a natural barrier, preventing contaminants or harmful gases from entering the cabinet.
Key systems include:
  • Positive Pressure Ventilation: Automatically regulates fans and air inlets to maintain stable internal pressure.
  • Smart Monitoring & Alarms: Real-time tracking of pressure, temperature, and airflow, with immediate alerts for anomalies.
  • Sealing & Safety Design: Doors, windows, and interfaces meet high sealing standards to ensure a consistent positive pressure environment.

Customizable Features and Interior Layout

TLS modular design allows flexible customization of the cabinet interior to meet different experimental and operational needs:
  • Workbenches & Operation Tables: Layouts tailored to equipment size and workflow.
  • Fume Hoods & Duct Interfaces: Ensure localized ventilation and gas exhaust without disturbing internal operations.
  • Lighting & Electrical Systems: Strategically positioned lighting, power outlets, and instrument interfaces for convenience and safety.
  • Storage & Safety Zones: Separate spaces for chemicals and precision instruments, minimizing operational risks.

Typical Applications

TLS Positive Pressure Test Cabinets are widely used in:
  • Offshore Lab Units: Safe operations for drilling or marine sample analysis.
  • Chemical Testing Sites: Isolate hazardous substances to protect personnel.
  • Research Laboratories: Provide a clean, stable, and controllable experimental environment.
  • Remote Mining Control Rooms: Ensure environmental stability and safe instrument operation.

Why Choose TLS

By selecting TLS Positive Pressure Cabinets, customers gain:
  • Safe and Reliable Workspaces: Positive pressure combined with smart monitoring reduces contamination risks.
  • Highly Customizable Solutions: From interior layout to functional interfaces, everything can be tailored.
  • Fast Deployment & Modular Expansion: Easy on-site assembly and future upgrades.
  • Long-Term Reliability: High-quality materials and system design ensure durable performance in harsh environments.
 
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 total pressurised container solutions
Offshore pressurised mud logging cabin brochure
Please download the Laboratory container brochure for reference.

Keywords:#Positive Pressure Test Cabinet,#Offshore Laboratory Containers,#Chemical Testing Safety,#Modular Test Cabinets,#Laboratory Airflow Control,#Remote Site Lab Solutions,#Customizable Test Enclosures,#Smart Monitoring Laboratory Cabinet,#Safe Experimental Environment,#Industrial Positive Pressure Box

Written by Snowy

In offshore platforms, oil & gas fields, and remote mining sites, containers are more than just spaces—they are critical carriers of safety and reliability. At TLS, every container is crafted with precision, from material selection to final assembly, ensuring products that withstand harsh environments and deliver consistent performance.

Premium Materials for a Tough Exterior

TLS containers are built with high-strength weathering steel as the main structure, reinforced with premium alloys and corrosion-resistant coatings. This combination delivers exceptional resistance to wind, corrosion, and impact. Whether facing prolonged exposure to ocean salt spray or extreme climates in remote mining or oil fields, TLS containers maintain their integrity.

Optional protective measures for specific environments include:
  • Fire-resistant coatings – minimize fire risk and protect people and equipment
  • Salt-spray treatment – ideal for marine environments, extending container lifespan
  • Corrosion-resistant coatings – designed for chemical plants or high-corrosion mining sites, reducing maintenance costs

By choosing top-tier materials, TLS lays a solid foundation for containers that perform reliably, even under the most challenging conditions.

Precision Assembly & Modular Design

From the very first weld to the final structural beam, TLS emphasizes precision and reliability. Each joint, fastener, and support is rigorously inspected to ensure structural stability and long-term durability.
The modular design offers multiple advantages:
  • Strong, self-contained units
  • Simplified transport, handling, and on-site installation
  • Ease of future expansion or adaptation

Before leaving the factory, every container undergoes thorough load tests, protective tests, and durability evaluations, guaranteeing safe and reliable operation in extreme conditions. TLS containers are not just spaces—they are solid infrastructure for your projects.

Interior Layouts: Balancing Safety and Comfort

TLS containers are fully customizable inside. From accommodation units to control rooms, labs, or mud logging units, every container integrates lighting, electrical systems, ventilation, furniture, and other modules to ensure both safety and comfort.

Key features include:
  • Zoned electrical systems – stable power for lights, AC, and equipment
  • Optimized ventilation – positive or negative pressure designs for specific needs
  • Custom furniture & storage – maximize space efficiency and comfort
  • Safety features – emergency lighting, evacuation routes, and alarm systems

With fully adaptable interiors, TLS containers allow staff to work safely and comfortably in any environment, even during long-term deployments.

Quality Management & Reliability

TLS implements strict quality control across the entire production process—from material sourcing and fabrication to final inspection. Every container is tested to ensure consistent performance, simple maintenance, and long service life.
Through careful material selection, precise assembly, and flexible interior design, TLS containers provide a reliable foundation for high-demand applications. This comprehensive approach has established TLS as a trusted name in offshore, oil & gas, and mining industries 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:#Offshore Containers,#Modular Container Solutions, #High-Strength Steel Containers, #Corrosion-Resistant Containers, #Customizable Container Interiors, #Industrial Container Safety, #Oil & Gas Field Containers, #Remote Site Accommodation Units, #Durable Modular Structures, #Positive & Negative Pressure Containers

Written by Snowy

​In the high-stakes world of industrial power distribution, the Motor Control Center (MCC) shelter is more than just an enclosure—it is the nerve center of the entire facility. Because these units manage critical electrical loads, they are inherently exposed to risks like electrical faults, overheating, and the presence of volatile gases.

For facilities operating in Zone 1 or Zone 2 hazardous areas, "good enough" safety isn't an option. TLS MCC Shelters are engineered using a multi-layered safety philosophy that integrates fire resistance, explosion prevention, and automated intelligence to protect both assets and lives.

1. Advanced Fire Safety: Stopping Hazards at the Source
Fire protection in an MCC room requires a "containment first" mindset. TLS utilizes a combination of passive materials and strategic layouts to ensure that if a thermal event occurs, it remains isolated.
  • A60-Rated Structural Integrity: TLS shelters use high-grade steel structures combined with A60 fireproof insulation. This rating ensures the structure can withstand intense heat for 60 minutes, preventing smoke and flames from breaching the perimeter.
  • Precision Cable Management: One of the most common fire paths is through cable entries. By using specialized fire seals and intumescent materials, TLS prevents the "chimney effect" where flames travel through wiring conduits.
  • Functional Compartmentalization: By physically separating MCC cabinets from control zones with fire-resistant partitions, the impact of a single component failure is localized, buying critical time for emergency response teams.

2. Explosion Protection for Hazardous Environments
In industries like Oil & Gas or Chemical Processing, the atmosphere itself can be a threat. TLS MCC shelters are designed to operate safely even when surrounded by flammable vapors.
  • Positive Pressure Systems: To prevent the ingress of hazardous gases, TLS shelters can be equipped with HVAC systems that maintain a constant internal positive pressure. If the pressure drops or gas is detected at the intake, automated interlocks trigger immediate safety protocols.
  • Certified Explosion-Proof Components: Every light fixture, outlet, and junction box within the shelter is selected based on specific hazardous area classifications. This ensures that even in a worst-case gas leak, the electrical equipment inside won't act as an ignition source.
  • Industrial-Grade Sealing: Every door, window, and penetration point undergoes rigorous gas-tight and water-tight testing. This creates a fortified environment capable of withstanding the harshest external conditions.

3. The Power of Smart Monitoring and Automation
Modern safety is proactive, not reactive. TLS integrates "active" safety layers that reduce the need for human intervention during a crisis.
  • Real-Time Detection: High-sensitivity smoke, heat, and gas sensors provide a 24/7 digital pulse of the shelter’s internal environment.
  • Automated Logic Linkage: The shelter's control system is programmed to take instant action. If a gas leak is detected, the system can automatically switch to emergency ventilation modes or isolate power to non-essential circuits.

4. Conclusion: A Holistic Approach to Industrial Security
True safety in an industrial MCC room is the result of careful planning and long-term validation. By combining A60 fire ratings, positive pressure technology, and smart automation, TLS MCC shelters provide a stable, reliable control hub for the world’s most demanding sites.

In a sector where a single spark can lead to a catastrophe, choosing a shelter designed as a complete safety system isn't just a technical preference—it’s a business necessity.

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 total pressurised container solutions
Offshore pressurised mud logging cabin brochure
MCC | Switchgear | VFD | VSD pressurised shelter


Keywords: #MCC Shelters, #Blast-Resistant, #Hazardous Area, #A60 Fire-Rated, #Positive Pressure, #Switchgear Enclosure, #IECEx Certified, #Modular Substation, #Intrinsically Safe, #ATEx

Written by Oliver

In the demanding environments of the global oil, gas, and renewable energy industries, the margin for error is non-existent. When conducting critical analysis in hazardous zones, you need a workspace that is as resilient as it is functional. TLS Offshore Containers, a global supplier of containerized solutions with extensive manufacturing experience, provides the answer with its specialized A60 Offshore DNV 2.7-1 certified pressurized containers.

These modules are engineered to provide a safe, climate-controlled environment for technicians to perform essential testing and data collection right at the heart of the action.

Built for the World’s Toughest Zones
The TLS 10' Laboratory is not just a modified shipping container; it is a highly sophisticated piece of safety equipment. Every unit is designed and certified in accordance with DNV 2.7-1 and EN 12079 structural codes, ensuring they can withstand the rigorous lifting and transport requirements of offshore life.

Safety is the cornerstone of the TLS design. These cabins feature A60 passive fire protection, providing a critical thermal barrier for personnel and equipment. Furthermore, they are rated for Hazardous Area Zone 1 or Zone 2, as well as Safe Areas, making them versatile assets for any platform or vessel configuration.

Advanced Technical Specifications
What sets the TLS pressurized lab apart is the integration of high-end safety systems that operate autonomously to protect the occupants. Key technical features include:
  • Integrated Pressurization: A Combined Pressurization Fire & Gas (CPFG) panel manages the internal environment.
  • Airlock Entry: Standard airlock doors maintain pressure integrity during entry and exit.
  • Comprehensive Detection: Each unit is equipped with Ex-approved smoke and gas detectors.
  • Fail-Safe Ventilation: The system includes automatic fire dampers designed to be fail-safe.
  • Emergency Preparedness: For maximum personnel safety, labs can include an emergency shower, eye washer, and a dedicated escape hatch.

Optimized for Scientific Work
Despite the compact 10' footprint, TLS utilizes intelligent interior design to maximize efficiency. The laboratories come fully equipped with high-quality laboratory furniture, including wall benches and specialized workbenches.

To handle chemical analysis safely, the modules feature Ex-proof fume hoods and dedicated exhaust systems to connect fume cupboards and safety cabinets. There is also specialized storage for hazardous materials, including flammable cabinets designed to meet strict offshore regulations.

A Global Partner in Energy Solutions
With a manufacturing history spanning over two decades, TLS Offshore Containers understands the logistical and technical hurdles of the energy sector. From their head office in Singapore to their facilities in China, TLS provides global support and engineering expertise to ensure your pressurized cabin meets the specific requirements of your project.

When the safety of your crew and the integrity of your data are on the line, the TLS A60 DNV 2.7-1 Pressurized Laboratory is the professional choice for offshore excellence.

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 total pressurised container solutions
Offshore pressurised mud logging cabin brochure
MCC | Switchgear | VFD | VSD pressurised shelter
 
 
Keywords: #Offshore Pressurized Laboratory, #DNV 2.7-1 Container, #A60 Offshore Cabin, #Hazardous Area Module, #Zone 1 Pressurized Unit, #Experiment Workspace, #ATEX Certified Container, #Oil and Gas Cabin, #Lab Module, #Explosion Proof Laboratory

Written by Oliver

​In high-stakes environments—ranging from infectious disease research and medical isolation to heavy industrial production—the smallest leak of a contaminant can lead to a catastrophic safety failure. Harmful gases, microscopic dust, and volatile biological agents pose constant risks to both personnel and the surrounding ecosystem.

TLS Negative Pressure Containers have emerged as a definitive solution, providing a mobile, controlled, and impenetrable barrier that keeps hazards exactly where they belong: inside.

Understanding the Physics of Negative Pressure
At its core, a negative pressure container is an engineering marvel designed to keep internal air pressure lower than the atmospheric pressure outside. This pressure differential creates a "one-way street" for airflow. Because air naturally moves from high-pressure areas to low-pressure areas, air is constantly being drawn into the container, ensuring that no contaminated air can escape through doors, vents, or minor seal imperfections.

How the TLS System Guarantees Safety
The reliability of a TLS container rests on three fundamental engineering pillars:
1. Precision Exhaust Management 
The heart of the unit is a high-capacity exhaust system. It continuously removes air from the internal space, maintaining a consistent vacuum effect that prevents the outward migration of hazardous particles.

2. Intelligent Airflow Direction 
It isn’t enough to just move air; you have to move it correctly. TLS containers use designated inlets and managed pathways to ensure that fresh air enters the unit predictably, providing a safe breathing environment for operators without compromising the containment shield.

3. Real-Time Monitoring and Alarms 
Safety is never left to chance. Integrated pressure sensors track the internal state every second. If the pressure fluctuates due to a power surge or a door being left ajar, the system triggers immediate visual and audible alarms, allowing for instant corrective action.

Solving the Toughest On-Site Challenges
Traditional temporary shelters often fail when faced with extreme conditions. TLS containers are built to bridge that gap by addressing three core challenges:
  • Total Contamination Control: By ensuring air only flows inward, experiments and sensitive industrial processes remain isolated from external dust or toxic interference.
  • Environmental Resilience: Fieldwork often happens in "unfriendly" places. Whether it is the corrosive salt spray of an offshore platform, the fine sand of a desert, or extreme humidity, the weather-resistant steel construction of TLS units maintains a stable internal climate regardless of the chaos outside.
  • Operational Predictability: For the personnel inside, the container eliminates the "wildcards" of field research. Odors do not linger, dust does not settle on sensitive equipment, and ventilation remains rock-steady, allowing for high-precision work in any location.

The Bottom Line: More Than Just a Box
The true value of a TLS Negative Pressure Container is the mobility of safety. It allows organizations to bring a high-level laboratory or a clean industrial environment directly to the site of the problem. By protecting the three most important assets—people, equipment, and the environment—these containers represent the gold standard in modern containment technology.

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.
 
Please download the Laboratory container brochure for reference.
 

Keywords: #Negative pressure containment, #Modular cleanroom, #Biohazardous waste storage, #Industrial air filtration, #Mobile isolation unit, #Controlled environment container, #Hazardous material storage, #Laboratory containment systems, #Portable cleanroom technology, #Pressure monitored enclosures

Written by Oliver