Dräger MRC 5000
Refuge Chambers and Rooms
- Refuge chamber which provides mining personnel with both shelter and breathing protection in accordance with the highest quality and safety standards
- Robust and highly portable construction, as well as a low cost of maintenance
Empower your safety approach with proven expertise and innovation
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Highlights
During an emergency, Dräger-Simsa mine refuge chambers provide mining personnel both shelter and breathing protection with the highest quality and safety standards. The robust and highly portable construction, as well as a low cost of maintenance, makes them ideally suited for diverse underground conditions.
Strengthened by a long history in the mining industry
When miners go underground, they should feel confident that everything possible has been done to ensure their safety. We have been working on this goal with the mining industry for more than 100 years. The legendary Dräger PSS® BG 4 closed-circuit br … More informationeathing apparatus, which is the chosen form of protection for mine rescue teams around the globe, is just one example of the unwavering reliability of Dräger products. This safety philosophy has proven its worth all over the world under the most challenging operating conditions. Using the same safety concept, the Dräger-Simsa mine refuge chambers are built on technology that you can rely on.
Designed for use underground in extreme conditions
The Dräger-Simsa MRC 4000, MRC 5000 and MRC 6000 mine refuge chambers are designed to provide a safe atmosphere even in the harshest underground ore and mineral mining conditions. The heavy-duty construction is fully welded to improve strength, rock … More informationfall resistance and hull pressure integrity. A hardened base with a skid-bearing design in addition to forklift slots and lifting lugs allow for the safe and easy transport of chambers inside the mine. The three variants are all based on the same technology, but differ in terms of weight, structural design and temperature range.
MRC 4000
The MRC 4000 is the lightest of the three models and is ideal for installation in areas with a reinforced roof and ambient temperatures of up to 35 °C. The Dräger MRC 4000 consists of a 6 mm steel plate, reinforced with a framework of RHS and C-secti … More informationon profiles. The chamber floor is 6 mm thick and welded throughout using C-sections.
MRC 5000
The MRC 5000, with its 6 mm steel outer shell and fully welded C-sections, is the most robust model in the MRC range. Thanks to its robust structure, it can support roof loads of up to 4,000 kg and withstand stone impacts of 1,000 kg from a height of … More information 1 metre. As with all MRC refuge chambers, the chamber floor is made from a 6 mm steel plate and welded throughout with C-sections.
MRC 6000
The MRC 6000, reinforced by a 6 mm steel outer shell with C-sections and a 3 mm inner shell, is the most robust model in the MRC range and can support roof loads of 5,000 kg. Thermal insulation is incorporated into the double wall, which allows for e … More informationxternal temperatures of up to 45 °C.
Fail-safe breathing air supply
The availability of a breathable atmosphere is critical during an underground emergency. The Dräger-Simsa MRC series features redundantly designed breathing air supply systems, ensuring an uninterrupted supply of safe and clean air to breathe. The mi … More informationne air supply is filtered and released into the chamber. If the supply of fresh air to the mine is cut off and the miners have to remain in the chamber for any length of time, the air in the chamber is recycled. The oxygen system releases a controlled amount of oxygen and the air within the chamber is recirculated through an air scrubbing system where carbon dioxide (CO2) is removed using Drägersorb® soda lime. An automatic pressure system provides a minimum 100 Pa positive pressure to prevent the ingress of contaminants into the refuge chamber and maintain a safe atmosphere.
Carbon monoxide monitoring and control
The concentration of carbon monoxide (CO) within the Dräger-Simsa MRC series is constantly monitored. Should a build-up of CO be detected during operation, the CO catalyst must be activated by the user to keep the concentration at a safe level.
Breathing air regeneration and emergency power supply
In an emergency situation, external power or air supply may not be readily available. The Dräger-Simsa MRC refuge chambers are self-sufficient and do not depend on external air or power supplies to keep occupants safe. The air inside the chamber is r … More informationegenerated by the CO2-absorbent materials in the breathing air regeneration system. The breathing protection unit has a dedicated battery backup system and each fan works independently. High pressure cylinders replenish the oxygen in the chamber based on the needs of the occupants. A gas monitoring system monitors the atmosphere in the chamber and alerts the occupants when adjustments are required to the oxygen supply and/or scrubbing functions. Furthermore, the necessary energy for air conditioning, instrumentation, and illumination systems is supplied from a maintenance-free battery backup system which together with the inverter/charger system ensures the continuous power supply for possible periods of up to 96 hours. The air conditioning system provides the chamber with an interior temperature and humidity at acceptable conditions.
Gas detection technology for monitoring and alarm activation
Inside the Dräger Simsa MRC, the ambient air is continuously monitored for CO2, CO and O2 concentrations. Dräger’s gas detectors, which are designed for industrial use, are employed for this purpose. Dräger gas sensors provide quick response time and … More information are built for longevity. If predefined alert thresholds are exceeded, the gas monitors emit both visual and acoustic warning signals to warn the occupants rapidly of potential gas hazards. This enables the systems to be adjusted quickly to ensure that the ambient air remains safe.
Moving with you – the mobile refuge solution
The risk of entrapment in front mine developments can be minimized by using small and portable refuge chambers. The Dräger-Simsa mine refuge chambers are highly portable and can be fitted with transport attachments. All Dräger-Simsa refuge chambers c … More informationan be optionally fitted with wheels. This provides additional mobility during transport both inside and outside the mine.
Support without compromise
To ensure your chamber is always ready for use, we recommend having your MRC checked by Dräger-Simsa authorized technical service agents at regular intervals. Our comprehensive and worldwide service network ensures we can be onsite quickly for all yo … More informationur maintenance and repair needs. Dräger-Simsa ensures the proper operation of the refuge chambers, offering permanent technical assistance with a stock of all required consumables, such as Dräger soda lime, filters and gas detection components, including sensors. Dräger’s specialist staff provide support with leak tests and the calibration of gas detection equipment.
Service - Repair & Maintenance
You trust our products for the safety of your employees and the continuity of your processes. Products work at their best when they are correctly and regularly maintained which protects the value of your investment, minimises downtime and supports the efficiency of your processes.
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