Emergency Escape Breathing Device
Company Profile
Established in 1998, Jiaxing Rongsheng Lifesaving Equipment Co.,Ltd. is a professional manufacturer and exporter that is concerned with the design, development and production of marine life-saving equipment & fire fighting equipment. We are located in Jiaxing City which is closed to Shanghai, with convenient transportation access.
We have passed the international quality management system certification (ISO9001/ISO22000) since 2002, all products obtain CCS certificate (China Classification Society), most of products obtain MED certificate through DNV, RINA, KR, LR.
Why choose us?
High quality
Our products are manufactured or executed to very high standards, using the finest materials and manufacturing processes.
Professional team
Our professional team collaborate and communicate effectively with one another, and are committed to delivering high-quality results. They are capable of handling complex challenges and projects that require their specialized expertise and experience.
Rich experience
Our company has many years of production work experience. The concept of customer-oriented and win-win cooperation makes the company more mature and stronger.
One-stop solution
We can offer a range of services, from consultation and advice to product design and delivery. It is a convenience for the customers, as they can get all the help they need in one place.
What is Emergency Escape Breathing Device
An Emergency Escape Breathing Device (EEBD) is a safety system used in environments where there is a risk of smoke inhalation or toxic gas exposure. It is commonly found in industrial settings, marine vessels, and large buildings. An EEBD provides a short-term supply of breathable air to enable occupants to escape from a contaminated environment.
The device is typically installed in escape routes or muster points and is designed for use by one person at a time. EEBDs come in two main types: negative pressure systems, which rely on the user inhaling to draw air into the device, and positive pressure systems, which push air out continuously.
Benefits of Emergency Escape Breathing Device
Immediate access to clean air
In the event of a fire, toxic spill, or other hazardous incidents, EEBDs provide immediate access to clean, breathable air. This is particularly vital when standard ventilation systems fail or become contaminated.
Enhanced evacuation safety
During evacuations, EEBDs can protect individuals from smoke inhalation and exposure to toxic fumes, gases, or particulates. This reduces the risk of respiratory distress, which can impede evacuation efforts or lead to long-term health issues.
Short-term respiratory support
EEBDs offer a limited but critical supply of air, typically lasting several minutes, which may be sufficient to allow individuals to navigate through hazardous areas and reach safety.
Reduces panic and promotes orderly evacuation
The presence of EEBDs can help maintain order during evacuations by providing a clear escape strategy. Knowing that clean air is available can reduce panic among occupants, allowing for a more organized and efficient evacuation process.
Compliance with safety standards
Many industries and regulatory bodies require the installation of EEBDs as part of their safety protocols. Compliance not only protects workers but also helps companies avoid potential liabilities associated with inadequate safety measures.
Versatility in different environments
Whether in marine vessels, industrial plants, or high-rise buildings, EEBDs can be tailored to fit various environments, ensuring that they are effective across a broad range of applications.
Training and readiness
The existence of EEBDs encourages regular training and drills, which in turn enhances overall emergency preparedness. Familiarity with EEBD usage can mean the difference between a safe evacuation and serious injury or loss of life.
Portability and easy access
While fixed EEBDs are installed in strategic locations, portable units can be easily relocated or carried by individuals, offering flexibility in deployment and ensuring accessibility in changing circumstances.
Integration with other safety systems
EEBDs are often integrated with fire detection and alarm systems, providing a comprehensive safety solution. They work in tandem with sprinklers, smoke extraction systems, and other emergency equipment to create a multilayered defense against workplace hazards.
Peace of mind and productivity
Knowing that robust safety measures like EEBDs are in place can give employees and building occupants peace of mind, which can contribute to a more productive and focused workforce.
Types of Emergency Escape Breathing Device
Positive pressure type
These EEBDs continuously discharge clean air until either the supply is depleted or the device is manually shut off. The constant outflow of air ensures that any contaminated air is expelled, creating a safe environment within the EEBD enclosure. This type is particularly useful in situations where contamination levels are high, as it actively purges the area with fresh air.
Negative pressure type ( demand flow )
Unlike positive pressure units, negative pressure EEBDs do not continuously discharge air. Instead, they rely on the user's inhalation to pull clean air into the mask. Exhaled air is then vented directly to the atmosphere or contained within the unit. These EEBDs are lighter, more compact, and have a longer usable air supply than positive pressure units, making them ideal for portable applications.
Semi-rigid tubing EEBDs
These consist of a flexible, semi-rigid tube that carries breathable air from a central source to the individual user. The tube may be stored in a reel or coiled form and deployed as needed. This type allows for greater mobility than fixed systems while still providing access to clean air.
Fixed systems
These EEBDs are permanently installed in a location, such as a muster station or escape route. They are connected to a larger air supply, such as an air handling unit or a bank of compressed air cylinders. Fixed systems are designed to serve multiple users simultaneously and are well-suited for high occupancy areas or facilities with complex layouts.
Portable systems
As the name suggests, portable EEBDs are self-contained units that can be easily carried or relocated. They are ideal for situations where a fixed installation is impractical or when rapid redeployment is necessary. Portable EEBDs are versatile and can be strategically placed around a facility to maximize accessibility.
Integrated EEBDs
Some environments, such as submarines or spacecraft, may integrate EEBD technology directly into the structure or life support system. In these cases, EEBD functionality is seamlessly woven into the overall safety architecture, providing immediate access to clean air in the event of an emergency.
Material of Emergency Escape Breathing Device
Emergency Escape Breathing Devices (EEBDs) are constructed from materials selected for their durability, compatibility with environmental conditions, and ability to contain breathable air under pressure. Common materials used in the construction of EEBDs include:
● Polyvinyl chloride (PVC): PVC is a common material for the hoses and tubes of EEBDs due to its flexibility, resistance to chemicals, and relatively low cost. It is suitable for conveying breathable air and can withstand the rigors of being stored and deployed.
● Nylon: Nylon is another material used for tubing and components of EEBDs. It offers high tensile strength, resistance to abrasion, and flexibility. Nylon can be advantageous in environments where the EEBD may be exposed to rough handling or sharp edges.
● Polyurethane (PU): Polyurethane is a robust material that can be used in both rigid and flexible forms in EEBDs. Its chemical resistance and durability make it suitable for use in harsh conditions. Rigid PU components can be found in EEBD enclosures or frames, while flexible PU might be used for tubing.
● Stainless steel: Stainless steel is employed for structural components, valves, and connectors within EEBDs. It provides excellent strength, corrosion resistance, and can handle high pressures, making it ideal for the demanding conditions of an emergency escape scenario.
● Rubber: Natural or synthetic rubber is often used for gaskets, seals, and flexible diaphragms in EEBDs. Rubber's ability to seal effectively and withstand temperature extremes is crucial for maintaining the integrity of the air supply system.
● Elastomers: Certain types of elastomers are chosen for their resistance to specific chemicals or environments. These materials can be used for O-rings, gaskets, and other sealing elements that require resistance to oils, fuels, or other substances.
● Composite materials: Composites, such as fiberglass-reinforced plastics, may be used for parts that require a combination of light weight, high strength, and resistance to impact or heat.
The choice of materials for an EEBD is governed by factors such as the operating environment, anticipated stresses, and regulatory requirements. Manufacturers carefully select materials that ensure the EEBD will perform reliably and safely in emergency situations. Regular inspection and maintenance of EEBDs are essential to ensure that all materials remain suitable for their intended use throughout the device's lifespan.
Application of Emergency Escape Breathing Device
Maritime industry
On ships, submarines, and offshore platforms, EEBDs provide a means for crew members to escape through smoke-filled or toxic atmospheres. These devices are especially important in engine rooms, boiler rooms, and cargo holds where fires or leaks of flammable or toxic materials can occur.
Chemical and petrochemical plants
In these high-risk environments, EEBDs allow workers to evacuate areas where there may be gas leaks, chemical spills, or fire incidents. The devices enable safe passage through areas that have become temporarily unbreathable due to contamination.
Industrial manufacturing facilities
Factories that produce metals, textiles, or electronics may utilize EEBDs. During a fire or leak, workers can use these devices to navigate through smoke-filled halls or past areas where harmful fumes are present.
Research laboratories
Labs that handle hazardous materials, such as biological or chemical research facilities, may have EEBDs available. In the event of a spill, leak, or exposure incident, researchers can use EEBDs to reach safety.
Military installations
Military bases and facilities that handle munitions or chemicals may employ EEBDs for emergency escapes. Soldiers can rely on these devices during training exercises or real-world scenarios involving toxic exposures or fires.
Commercial buildings
High-rise offices, hotels, and shopping centers may install EEBDs in designated safe areas or escape routes. In the case of fire or chemical release, EEBDs can be vital tools for occupants to breathe clean air while escaping or awaiting rescue.
Hazardous waste management
Facilities that treat, store, or dispose of hazardous waste may use EEBDs. Workers can use these devices if they encounter unexpected releases of toxic gases or fumes while handling waste.
Aviation
While not as common as in other industries, EEBDs may be found in certain aviation applications, such as private jets or corporate aircraft, where there is a risk of in-flight fire or cabin contamination.
Design and engineering
This stage involves creating detailed designs for the EEBD, including specifications for the materials, dimensions, and features such as masks, hoses, and connectors. Engineers must consider the intended use of the EEBD, the environmental conditions it will endure, and regulatory requirements. Computer-aided design (CAD) software is typically used to create accurate models of the EEBD components.
Material selection
Based on the design, materials are carefully selected for their durability, compatibility with air and environmental conditions, and ability to maintain structural integrity under pressure. Common materials include PVC, nylon, polyurethane, stainless steel, rubber, and elastomers. Material suppliers must meet quality standards to ensure that their products are suitable for life-saving equipment.
Tooling and molds
Precision molds and tooling are created to shape the EEBD components accurately. These tools are usually made from durable metals like steel or aluminum and are designed to withstand repeated use without compromising the quality of the finished parts.
Manufacturing
Components are manufactured using techniques such as injection molding, extrusion, and metal forming. Injection molding is commonly used for plastic components, while metal forming techniques like stamping and bending are used for metallic parts. Assembly lines are set up to combine these components into a functional EEBD, ensuring each component is correctly fitted and secured.
Quality Control
Throughout the manufacturing process, quality control checks are performed at multiple stages to verify that the EEBD meets design specifications and performance criteria. Inspections may include visual inspections, dimensional measurements, and tests for airtight seals and structural integrity.
Pressure testing
Each EEBD undergoes rigorous testing to ensure it can hold air under pressure without leaks. This test simulates the conditions the device would experience during actual usage, validating its reliability.
Final inspection
Before shipment, each EEBD undergoes a final inspection to confirm that it is complete, properly assembled, and free from any defects. Labeling with manufacturer information, instructions for use, and certification marks is also completed at this stage.
Packaging and shipping
Once the EEBD passes all quality checks, it is securely packed to prevent damage during transportation to distributors, retailers, or directly to end-users. Packaging should protect the EEBD from physical impacts and environmental conditions until it is needed.
Regulatory compliance
EEBDs must comply with relevant national and international standards, such as those set by the International Maritime Organization (IMO), Underwriters Laboratories (UL), or the National Fire Protection Association (NFPA). Compliance is verified through third-party certifications and regular audits to maintain approval status.
Components of Emergency Escape Breathing Device
This is the part that covers the user's nose and mouth, providing a seal to prevent the inhalation of contaminated air. It is designed to be easily donned even when visibility is poor or under stress. Some EEBDs include full-face hoods that also protect the eyes and face.
Connected to the mask or hood, the hose transports breathing air from the source to the user. The length and diameter of the hose are selected based on the expected distance to be traveled to safety and the flow rate required.
This can be a centralized supply system, such as a building's pressurized air system, or a portable compressed gas cylinder specifically designed for EEBD use. The air must be clean and free of contaminants.
Check valves in the hose prevent exhaled air from contaminating the breathing air supply. Pressure relief valves ensure that the system operates within safe pressure limits.
These are the components that attach the hose to the mask or hood and the air source. Quick-disconnect fittings allow for rapid assembly and disassembly of the EEBD.
A built-in gauge allows users to visually check the pressure of the air supply, confirming that the EEBD is operational.
This could be a regulator to adjust the flow rate of air to the user or a shut-off valve to isolate the air supply in case of system failure or contamination.
EEBDs are often stored in a protective case or container that keeps them clean, organized, and ready for immediate use. The container may also include straps or mounting hardware for securing the EEBD in place.
Clear labeling or a quick reference card is included to instruct users on how to properly don the EEBD and use it in an emergency situation.
The EEBD should bear certification marks indicating that it meets the relevant safety standards and has been tested for performance and reliability.
How to Maintain Emergency Escape Breathing Device
Visual inspection
Regularly inspect the EEBD for any visible damage or wear, including cracks, tears, or abrasions on the mask, hose, and storage container. Ensure that all connection points and valves are intact and not obstructed.
Pressure test
Conduct periodic pressure tests on the air source to verify the integrity of the system under operating conditions. This test should be performed according to the manufacturer's guidelines and should involve checking for any leaks or failures.
Functional checks
Perform routine functional checks to ensure that all components work as intended. This includes checking that the mask forms a proper seal, the valves open and close correctly, and the hose remains pliable and airtight.
Regulator maintenance
If the EEBD uses a regulator, it should be cleaned and lubricated regularly. Ensure that the mechanism moves smoothly and that there are no obstructions affecting its operation.
Storage conditions
Store the EEBD in a cool, dry place away from direct sunlight and extreme temperatures. The storage area should be clean and free from contaminants that could damage the device.
Organization and accessibility
Keep the EEBD and its components organized in their designated storage container. Ensure that the storage location is accessible and clearly marked so that it can be found quickly during an emergency.
Regular replacement of components
Replace worn or expired components as recommended by the manufacturer. This includes masks, hoses, and any other parts that could deteriorate over time.
Training and education
Provide training for all potential users of the EEBD on how to properly use it in an emergency situation. Refresher training should be conducted regularly to maintain familiarity with the device.
Compliance with standards
Ensure that the EEBD and its maintenance practices comply with all relevant national and international standards, such as those from the International Maritime Organization (IMO) or the Occupational Safety and Health Administration (OSHA).
Documentation
Maintain thorough documentation of all maintenance activities, tests, and replacements performed on the EEBD. This recordkeeping helps track the device's history and ensures accountability.
Hazard assessment
Understand the types of hazards present in your environment, such as smoke, toxic gases, or particulates. Choose an EEBD rated to handle the specific contaminants you are likely to encounter.
Operating time
Determine the duration of escape that may be required. EEBDs have different operating times, typically ranging from 10 minutes up to 1 hour or more. Select a device with sufficient operating time to reach a safe area or assembly point.
User capacity
Consider the number of individuals who might need to use the EEBD simultaneously. Some devices are designed for single use, while others can support multiple users through a centralized distribution system.
Type of EEBD
Decide between a stationary and portable EEBD. Stationary units are fixed installations, often integrated into a building's safety system, while portable EEBDs offer greater flexibility but may require more user handling.
Air supply
Determine whether the air supply will be a fixed, centralized system or a series of portable cylinders. Centralized systems are usually more robust but require more infrastructure, whereas portable cylinders can be easily relocated and do not rely on external power sources.
Mask design
Consider the design of the breathing mask or hood. Some masks are disposable, while others are reusable and require cleaning and disinfection. Full-face masks offer additional protection for the eyes and face, but they may be more cumbersome to use.
Compatibility
Ensure that the EEBD is compatible with any existing safety equipment or systems in place, such as alarm systems or emergency lighting.
Regulatory compliance
Verify that the EEBD complies with local, national, and international safety standards and regulations, such as those set forth by OSHA, IMO, or the National Fire Protection Association (NFPA).
Training and instructions
Confirm that the EEBD comes with clear instructions for use and that training programs are available for personnel to familiarize themselves with the device.
Maintenance requirements
Assess the maintenance schedule for the EEBD. Devices with lower maintenance requirements can save time and money in the long run.
Cost
Factor in the total cost of ownership, including the purchase price, installation costs, maintenance, and any necessary training for personnel.
Vendor reputation and support
Choose a reputable vendor that provides good customer support, including technical assistance, spare parts availability, and prompt after-sales service.
How a Emergency Escape Breathing Device Work
An Emergency Escape Breathing Device (EEBD) is a safety system designed to provide breathable air in the event of an emergency where the ambient environment is contaminated by smoke, toxic fumes, or other harmful substances. The primary function of an EEBD is to enable occupants to safely exit a hazardous area. Here's a detailed description of how an EEBD works:
Air source: The EEBD is connected to a clean air source, which could be a pressurized clean air tank or a building's mechanical ventilation system. The air source must be capable of delivering fresh air continuously at a rate sufficient to support the number of users the EEBD is designed for.
Distribution system: The clean air flows through a network of tubing or hoses that distribute the air to the escape zones or to individual breathing masks. In some designs, the distribution system includes control valves that regulate airflow based on demand from users.
Breathing masks or hoods: Users access the EEBD by putting on a mask or hood that is connected to the distribution system. These masks or hoods are designed to create a tight seal around the nose and mouth to prevent contaminants from entering and to direct clean air from the EEBD into the user's respiratory tract.
Pressure regulation: The EEBD maintains a slight positive pressure within the mask to prevent external contaminants from leaking in. This is achieved through pressure regulators built into the system, ensuring that the pressure inside the mask does not drop below the ambient pressure, which could allow hazardous gases to enter.
Escape duration: The EEBD is designed for short-term use, typically for a duration ranging from a few minutes to an hour, depending on the model and the air capacity of the tanks. The duration should be sufficient for occupants to travel from the contaminated area to a safe zone or exit the building.
Activation: In an emergency, occupants would don the EEBD masks or hoods, which are either permanently installed or portable and easily accessible. The EEBD is activated by connecting the mask or hood to the air supply line or by opening a valve that allows air to flow into the mask.
Egress: While wearing the EEBD, users can navigate through smoke-filled corridors or rooms without inhaling harmful gases. The EEBD enables them to reach an area of refuge or exit the building safely.
Post-use: After escaping to a safe area, users remove the EEBD mask or hood and seek further medical evaluation if necessary. The EEBD itself requires inspection and maintenance to ensure it is ready for use in future emergencies.
EEBDs are critical components of fire safety and evacuation plans in various environments, including commercial buildings, ships, and industrial facilities where hazardous conditions may arise. Proper installation, regular maintenance, and user training are essential to ensure the effectiveness of EEBDs during an emergency.
Certifications
Our Factory
Established in 1998, Jiaxing Rongsheng Lifesaving Equipment Co., Ltd. is a professional manufacturer and exporter that is concerned with the design, development and production of lifesaving equipment. We are located in Jiaxing City, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
Covering an area of 8600 square meters, construction area of 12800 square meters, we now have over 130 employees.
FAQ
Q: What is an EEBD?
Q: How long does an EEBD last?
Q: Can an EEBD be used by more than one person at a time?
Q: Are EEBDs reusable?
Q: Where should an EEBD be located?
Q: How do you activate an EEBD?
Q: Do EEBDs require maintenance?
Q: What type of air should an EEBD use?
Q: Can EEBDs be used in environments with high temperatures?
Q: Are there different types of EEBDs?
Q: How often should EEBDs be inspected?
Q: Can an EEBD be used in conjunction with a self-contained breathing apparatus (SCBA)?
Q: Can an EEBD be used in a non-emergency situation?
Q: Is training required to use an EEBD?
Q: How do you know if an EEBD is working correctly?
Q: Can EEBDs be integrated with other safety systems?
Q: Are EEBDs suitable for all ages?
Q: What happens if an EEBD runs out of air during use?
Q: Can an EEBD be refilled?
Q: Are there any regulations regarding the use of EEBDs?
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