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Positive pressure and negative pressure are relative to the pressure in the surrounding space.
 
Positive pressure: the air supply volume is greater than the exhaust volume. The indoor air is under positive pressure. Combined with the air conditioning unit, the cleanliness of the air sent into the container can be guaranteed.
Positive pressure is preferentially applied to containers where the external environment is harsh (such as ZONE 0, ZONE 1, and ZONE 2) and the internal environment is secure.
Please download the A60 offshore pressurised container product brochure for reference. 
 
Negative pressure: the air supply volume is less than the exhaust air volume, and the room is under negative pressure. The surrounding air flows into the space and is discharged through the exhaust outlet for unified treatment.
Negative pressure is preferred in containers where the external environment is safe but the interior will produce toxic and harmful gases.
​Please download laboratory container brochure for reference. 
Published on
The container lab is a kind of self-contained and movable module that fully meets the requirements of the laboratory. The laboratory container is fully insulated and can operate in extreme weather conditions. It is completely independent and has the necessary compressed air, lighting, and ventilation systems. It can be customized to the customer's needs.

The container described herein is designed for offshore containers, and is suitable for the environmental conditions imposed by these modes of transport for the carriage of general cargo by road, rail and sea (above or below deck).
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All materials used in the construction will be to withstand extremes of temperature range from -20 ℃ to +60 ℃ without effect on the strength of the basic structure and watertightness.

Please download workshop container, lab container brochure for reference. 
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20HC offshore laboratory containers were designed and manufactured according to client's specific requirement. 

Features
  • DNV2.7-1 / EN12079 certification
  • CSC plated
  • A60 fire rating
  • An autonomous fire, gas and smoke detection system.
  • A self‐contained Heat, Ventilation and Air Conditioning (HVAC) system, with fast-plug connection to rig power supply system
  • Water supply system with connections to rig supply system
  • Experiment hood with exhaust fan, negative pressurisation 
  • Lab bench
  • Work desk with phone connection possibilities, computer and Local Area Network (LAN) access.
  • Working and storage furniture
  • Stainless steel sink unit with raised edge, large sink and drainage area.
  • Under bench and over bench cabinets for storage of consumables.
  • Classified for zone 2 hazardous area on request.
  • Zone 2 electrics and lighting on request.
  • Anti-slip flooring
  • Ex light, switch, socket, cabling
  • Quick and easy hook up to on-board services
  • Designed for easy stacking
  • Compliant with ATEX, IECEx standard on request.
Published on
The container lab is a kind of self-contained and movable module that fully meets the requirements of the laboratory. The laboratory container is fully insulated and can operate in extreme weather conditions. It is completely independent and has the necessary compressed air, lighting, and ventilation systems. It can be customized to the customer's needs.

FEATURE
  • Low cost: easy to install, the cost is much lower than ordinary laboratory
  • Convenient transportation: Fully certified to meet international shipping requirements, can be designed for 20 ft or 40 ft containers.
  • Comfortable and safe: completely isolated from the outside, the indoor operating environment is very comfortable in a harsh environment.
  • Highly customized: We will combine the needs of our customers with the design suggestions of our experienced in-house laboratory staff to create a highly customized laboratory container that meets the needs of our customers
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20 ft laboratory container rated for Safe zone (negative pressure)
  • standard 20 ft HC container dimensions (6058*2438*2896mm)
  • Lifting points: 4pcs recessed pad eyes
  • Recess: full height recess for Air-con compressor and electrical penetrations
  • A60 walls, ceiling and flooring
  • Water inlet / outlet connection
  • Compressed air connection
  • With ventilation system to renew air in the laboratory 6 times per hour in normal operation and 20 times per hour in case of emergency

Internal Fitment:
  • Workbenches - (anti-acid material) including drawers cabinet
  • Overhead cabinet
  • Eyewash
  • Fume hood - Ex type (with Ex exhaust fan, Ex lighting, Ex switch, Ex sockets)
  • Fire detection system (including heat detector and smoke detector) 
  • Gas detection CH4 and H2S
  • Compressed air connection and Nitrogen connection
  • Portable fire extinguisher

Electrical:
  • Electrical supply external supply system designed for Safe Area. 
  • Electrical equipment inside the laboratory to be rated explosion proof
  • Control panel - Ex type (automatically response when fire, smoke, toxic gas or flammable gas occur)
  • Ex Lighting - 3 pcs (1pc emergency light with battery, Ex-type)
  • Ex sockets (220V 3 PIN European style), 5 pcs
  • MCT (1 pc, Roxtec)
  • Emergency shutdown - Ex type
  • Exhaust fans (1pc installed inside fume hood, 1pc installed outside) - Ex type
  • Phone and network cabling

Air conditioning
  • One Split Type AC unit - Ex Type (working temperature -20°C / +50°C, T3), 24000BTU

Applicable Codes and Standards
  • Bureau Veritas or other major IACS Classification Societies
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A offshore laboratory contain has potential sources of release such as hydrocarbon liquid and gas samples, and vapors from heated hydrocarbon liquids. Some equipment is not designed for hazardous area which it could present an ignition source. The laboratory container is designed by using external extracting system for the toxic fumes (Ex certified) from the fume cupboard. Other electrical equipment inside the lab container is also certified by Ex approvals, including split-type air conditioner, lighting, sockets, distribution boards, etc. Negative pressure is maintained by using exhaust blower and speically designed air-lock system.
ABS approved offshore lab container

ABS approved offshore lab container

Offshore laboratory container, negative pressure

Negative pressure maintained in the lab container