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Draeger PSS BG 4 Plus Closed Circuit Breathing Apparatus

Price range: $12,287.30 through $13,621.10

The Draeger PSS BG 4 Plus Closed Circuit Breathing Apparatus designed to support rescue teams, firefighters, and industrial operators working in areas with toxic gases or low oxygen. It can deliver up to 4 hours of breathable air—far surpassing typical open-circuit SCBA durations.

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Description

Designed for demanding tasks, the Draeger PSS BG 4 plus Closed Circuit Breathing Apparatus offers exceptional safety, superior respiratory protection, and wearer comfort. Its innovative design supplies up to four hours of breathable gas in hazardous environments. The system features a lightweight, ergonomic design that reduces fatigue during extended use. 

Dräger PSS BG 4 Plus

Advanced monitoring ensures the user is constantly informed about their air supply status. Easy to maintain and clean, it’s built to perform reliably in the toughest conditions. 

Draeger BG4 Manual Hazmat Resource

Firefighter & Hazmat Teams

Dräger Rebreather Hazmat Resource

Industrial & Commercial

Dräger PSS BG 4 plus

Whenever emergency teams operate above or below ground, the Dräger PSS BG 4 plus proves indispensable. Ideal for rescue and firefighting missions in mines, tunnels, underground train ducts, or long access routes, this closed-circuit breathing apparatus is the preferred choice. Over 25,000 professionals worldwide trust the Dräger PSS BG 4.

Optimized in conjunction with our customers

Our products are designed to meet users’ exact needs, which is why we involve customers in the development process. Improvements to the proven Dräger PSS BG 4 come from practical experience and ongoing feedback to maintain top quality. We listened to our customers and incorporated their requests into the new firefighter rebreather. Numerous upgrades and new accessories enhance safety, durability, and ease of maintenance. These modifications are available individually or as a convenient retrofit kit upon request.

Excellent suitability for extended use

The slight positive pressure in the breathing circuit protects the wearer by keeping hazardous substances out of the sealed system. Depending on the situation, it can provide up to four hours of use. A CO₂ absorber removes carbon dioxide from exhaled air, while oxygen from the cylinder enriches the breathing gas. Before being inhaled again, the regenerated gas passes through a cooler to lower its temperature.

Hazmat Resource can help you find the right accessories to keep your detection equipment powered and ready for any operation.

We supply certified instruments built for precision, safety, and durability — from portable detectors to fixed monitoring systems. Contact us today to find the right setup.
DRÄGER | HAZCAT | REDWAVE | AGILENT — trusted brands for your safety program.
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Product enhancements

The minimum valve, which supplies extra oxygen on demand, and its attachment clip are coated for corrosion resistance. A redesigned clip makes the valve easier to attach. The pressure reducer area and carrying plate have been reinforced for added durability and stability when handling the unit with the oxygen cylinder. To help lower the temperature of inhaled gas and reduce wearer fatigue, the cooler can be filled with ice.

Practice-oriented innovations

Newly developed heat protection for the breathing hose and housing is optionally available to help further reduce the temperature of inhaled gas. A T-piece with a water trap can also be retrofitted to the facemask, preventing water from accumulating in the device’s flow area. Additionally, any liquid discharged through the drain valve can be collected in an optional super absorbent fleece, which is designed for single use and easy disposal.

Simple CO2 disposal

Complete with an integral dust filter, the flow-sensitive CO₂ absorber is available as either a single-use option or a refillable cartridge. It features a newly designed spring clip that enhances spring durability for long-term use. The breathing hose connectors have been repositioned and resized for easier handling during assembly and disassembly. For hygienic storage, the single-use absorbers come sealed in protective packaging to ensure cleanliness before use.

Proven wearer comfort

The ergonomically shaped carrying plate, lightweight design, and adjustable harness with easy “pull-forward” straps offer greater freedom of movement with less strain. The breathing hose is routed across the shoulders to maintain balance and reduce bulk on the wearer’s back.

All functions upon a glance

The hazmat rebreather features the Dräger Sentinel II, a fully electronic signal and warning unit designed for simplicity and reliability. Operated via large, easy-to-use push buttons, it provides crucial real-time information to the wearer, helping to reduce risks during operation. With reliable battery warning thresholds, the Sentinel II clearly indicates the system’s operational status.

Monitoring functions include:

  • Cylinder pressure (displayed both analog and digital)
  • Remaining usage time (until the residual pressure warning)
  • Temperature display at the press of a button
  • Automatic mission data recording

Optical and acoustic warning signals:

  • Residual pressure warning
  • Two customizable electronic alarm thresholds
  • Automatic motionless alarm
  • Manual emergency call activation

This system ensures users are continuously informed and protected throughout their mission.

High performance soda lime

Drägersorb 400 is specifically formulated for efficient CO₂ absorption in closed-circuit breathing apparatus, making it ideal for use with the Dräger PSS BG 4 plus. Its high-performance capabilities support long-duration operations, even under demanding conditions. Known for its exceptional abrasion resistance, Drägersorb 400 can remain in the unit for up to 6 months or endure up to 300 miles of vehicle storage without compromising effectiveness.

Easy maintenance

The retrofittable vibration protection and durable locking hinge enhance the safety of the Dräger PSS BG 4 plus during transport. To ensure maximum operational readiness, the device is designed for quick assembly or disassembly of components—no special tools required.

The full-face mask Dräger FPS 7000 RP

The Dräger FPS 7000 full-face mask is a perfect addition to the Dräger Panorama Nova series. Its enhanced head harness and multiple size options ensure a secure fit for various face shapes. With a dual sealing line, wide natural field of vision, and easy-to-use wiper, the FPS 7000 RP offers reliable protection and clear visibility. An optional adapter allows integration with the CamelBak® drinking system, which only dispenses liquid when the bite valve is compressed.

*CamelBak® is a registered trademark of CamelBak Products, LLC.

About Draeger

Dräger manufactures medical and safety technology products. In so doing, Draeger protects, supports, and saves people’s lives around the world with fire departments, hazmat, and emergency services. 

Founded in Lübeck in 1889, Dräger has grown into a worldwide, listed enterprise. It is in its fifth generation as a family-run business. Dräger has more than 15,000 employees worldwide and is present in over 190 countries around the globe. 

In 2020, the company generated net sales of around EUR 3.4 billion. Hazmat responders all over the world use Dräger technology. It operates in around 50 countries with its own sales and service companies directly on location where its customers are. HazMat teams rely on HAZMAT Resource, get on-board and request a quote today!

Dräger VOICE – your hazmat-based safety product finder

Dräger HazMat VOICE is an essential tool for the safe handling of hazardous materials. One click and you’ll receive relevant information and specific recommendations of safety equipment for more than 1,500 hazardous substances in its database.

Need more information?

For more information about this Dräger rebreather, contact us today! +1 (805) 617 – 0987

Draeger PSS BG 4 Plus Closed Circuit Breathing Apparatus

The Draeger BG 4 is a closed-circuit breathing apparatus designed for rescue operations in hazardous environments. It provides up to four hours of breathable air by recycling exhaled gases, making it ideal for use in confined spaces such as mines, tunnels, and underground areas. Known for its durability and reliable performance, the Draeger BG 4 ensures safety and extended operational time for emergency responders.

Additional information

Weight 10 lbs
Dimensions 20 × 20 × 20 in
Options

W/SENTINEL KIT, W/SENT, LWCARB CYL/VAL,MASK,CASE, W/SENT, CYL, REUSE CAN, HYD MASK

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