Dräger PSS® BG 4 plus

Closed Circuit Breathing Apparatus
  • Closed-circuit breathing apparatus providing up to four hours of breathing air in toxic atmospheres
Back side of Dräger PSS BG 4 plus
Closed circuit breathing apparatus used during tunnel firefighting

Time matters. Uncompromising safety with the highest level of breathing and carrying comfort.

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Highlights

Designed especially for tough missions: The Dräger PSS® BG 4 plus closed-circuit breathing apparatus combines uncompromising safety with the highest level of breathing and carrying comfort. The positive pressure unit supplies the wearer with up to four hours of breathing air, even in toxic atmospheres.

Optimised together with our customers

We believe that our products can only fit the needs of our customers when we listen to their desires and specifications. This is why we include them in the development and design process. The modifications on the proven Dräger PSS BG 4 represents the More information

Perfectly made for long-duration deployment

The positive pressure breathing circuit protects the wearer by preventing hazardous substances from entering the sealed breathing system. Depending on the applications, the duration of use is up to four hours. A CO2 absorber removes carbon dioxide fr More information

More breathing and working comfort

The minimum valve, which enriches the breathing air with additional oxygen upon demand, has been treated with a special coating to protect against corrosion. A redesigned clip simplifies the fastening of the valve. The area around the pressure reduce More information

New features that make sense

Newly-developed heat protection for the breathing hose and housing are also optionally available to further reduce the temperature of the inhaled air. A T-piece with water trap can be attached to the facemask to prevent water from collecting in the f More information

Breathing air cooler without ice

The cooling cartridge as an alternative to ice and can be used for a variety of applications with only three hours of recharging time necessary. The cooling cartridge can be easily exchanged and used unlimited.

Reliable CO2 absorption

The simple CO2 absorber comes complete with an integral dust filter for more operational convenience. The CO2 absorber is available as either a single use absorber or refillable cartridge. The development and production of Drägersorb® 400 soda lime a More information

Proven wearing comfort

The ergonomically shaped carrying plate with its lightweight harness, adjustable shoulder straps and easy to use “pull forward” waist belt provide more freedom of movement. The practical breathing hose routing across the shoulders ensures for ideal b More information

Ideal respiratory monitoring

The data captured by the Dräger Bodyguard II electronic monitoring unit can be transmitted to Dräger PSS Merlin Telemetry Boards or Merlin Modem. This telemetric monitoring and communications system displays the Bodyguard data for each of the wearers More information

360° Product View

Draeger PSS BG 4 plus 360

See the whole Product System.

This product is part of a Dräger system solution. Combine it with the following system components.

Connective Products

Mask Communication Units - Dräger C-C440
Dräger C-C440
  • Control unit with large Push-To-Talk button for easy handling of the radio transmitter
  • Tough and robust design according to IP67 / MIL-STD-810G standards
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Hazmat Suits - Dräger CPS 5800
Dräger CPS 5800
  • Limited-use protective suit for industrial applications
  • Protection against gaseous, liquid or solid hazardous substances
  • SCBA worn over the protective suit
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Hazmat Suits - Dräger CPS 5900
Dräger CPS 5900
  • Disposable, gas-tight suit
  • Protection against a broad range of industrial chemicals as well as warfare agents
  • SCBA worn inside the protective suit
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Hazmat Suits - Dräger CPS 7800
Dräger CPS 7800
  • Reusable, gas-tight suit
  • Protection against gaseous, liquid, aerosol, and solid hazardous substances - even in explosive areas
  • SCBA worn over the protective suit
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Hazmat Suits - Dräger CPS 7900
Dräger CPS 7900
  • Reusable, gas-tight suit
  • Protection against industrial chemicals, biological agents, and other toxic substances
  • For work in explosive areas and handling cryogenic substances
  • SCBA worn inside the protective suit
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Oxygen-Filling Stations - Dräger DOB 200 ECO
Dräger DOB 200 ECO
  • Efficient filling station for common oxygen cylinders
  • Compact design, easy to transport
  • Automated filling procedure
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Full Face Masks - Dräger FPS 7000
Dräger FPS 7000
  • Comfortable full face mask with different front port options
  • Combinable with helmets, communication and respiratory systems
  • Available in multiple sizes for a secure fit
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Dräger FPS® 7000 RP
Dräger FPS® 7000 RP
​Dräger plug connection for closed-circuit breathing apparatus
Dräger FPS®-COM 5000 (RP)
Dräger FPS®-COM 5000 (RP)
​The Dräger FPS®-COM 5000 communication unit has been specifically developed for the full-face mask Dräger FPS® 7000 and ensures clear communication through a voice amplifier unit or radio device – even under extreme conditions.
Fire and Rescue Helmets - Dräger HPS 7000
Dräger HPS 7000
  • Innovative, multipurpose helmet for fire and rescue services
  • Sporty and dynamic design, ergonomic fit and components make it a multifunctional system solution
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Fire and Rescue Helmets - Dräger HPS® 4500
Dräger HPS® 4500
  • Traditional half-shell helmet with a modern design
  • Robust outer shell provides excellent protection against impact and extreme heat
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Rescue Vehicles - Dräger MRV
Dräger MRV
  • Mine rescue vehicle with integrated air supply, medical tools, and advanced navigation
  • Enhances mobility and response, providing comprehensive support in emergencies
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Full Face Masks - Dräger Panorama Nova
Dräger Panorama Nova
  • Full face mask protecting the respiratory tract and eyes
  • Offers different thread connections: RA (Rd40), PE (M45x3), ESA or P Dräger plug-in connection
  • EPDM or silicone mask body, triplex or PC visor
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Self-Contained Breathing Apparatus (SCBA) - Dräger PSS® 4000
Dräger PSS® 4000
  • Professional self-contained breathing apparatus for firefighting
  • Offers comfort, stability, lightweight and advanced harness materials for extended wear
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Firefighter Entry Control - Dräger PSS® Merlin® System
Dräger PSS® Merlin® System
  • Offers precise overview of respiratory equipment status
  • Enhances safety with real-time information exchange between control point and wearer
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Rescue-Devices - Dräger PSS® Rescue Hood
Dräger PSS® Rescue Hood
  • Designed for life-saving operations
  • Can be used with any breathing apparatus requiring a second medium pressure connection
  • Lightweight and compact, making it easily accessible in emergencies
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Respiratory Protection Test Equipment - Dräger RZ 7000
Dräger RZ 7000
  • Accurate function and leak tests of the Dräger PSS BG4 plus
  • Quick and easy to use test device
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Air Regeneration and Soda Lime - Drägersorb®
Drägersorb®
  • High-quality soda lime for CO2 and acidic gas absorption
  • Uniform pellet shape ensures consistent absorption
  • High abrasion resistance reduces dust
  • Suitable for medical and industrial use
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Closed Circuit Breathing Apparatus - Drägersorb® 400
Drägersorb® 400
  • High CO2 absorption with large active surface
  • Reproducible absorption with even cartridge filling
  • High abrasion resistance reduces dust
  • Low breathing resistance from hemispherical pellets
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Test kit
Test kit

With all adapters required for testing the Dräger PSS® BG 4 plus

Accessories

Antifog Spray
Antifog Spray
Prevent fogging of visor FPS® 7000 RP
Cooling Cartridge
Cooling Cartridge
​No ice necessary, unlimited use, reactivated after 3 hours. Placed in standard cooler
Dräger CO2 absorber
Dräger CO2 absorber
Single-use cartridge
Dräger CO2 absorber
Dräger CO2 absorber
Refillable cartridge, transparent
Mask Communication Units - Dräger FPS®-COM 5000
Dräger FPS®-COM 5000
  • Reliable hands-free communication through a voice amplifier unit or radio device
  • Clear communication thanks to digital noise reduction technology
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Headset for Helmets - Dräger HC-COM
Dräger HC-COM
  • Compact and lightweight receiver/transmitter units which can be adapted to different helmet shapes
  • Immediate, clear and reliable communication
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Dräger oxygen cylinder
Dräger oxygen cylinder
With different thread connections
2 L, 200 bar
Drink container CamelBak® Pakteen
Drink container CamelBak® Pakteen
Dust filter
Dust filter
​(200 off)
Dust sieve
Dust sieve
​Sieving the soda lime before pouring into the refillable cartridge
R 32 618
Filling station
Filling station
Freezer canister cooler Dräger PSS® BG 4
Freezer canister cooler Dräger PSS® BG 4
To produce ice plugs
Heat protection
Heat protection
​For breathing hoses and housing, reduces the temperature of the inhaled air when fire fighting
Isolation for Dräger PSS® BG 4
Isolation for Dräger PSS® BG 4

For operations with temperatures under -15°C

Merlin Radio Kit
Merlin Radio Kit
Europe (869.5 MHz)

Merlin Radio Kit US (450 – 470 MHz)
Single Use Absorber
Single Use Absorber
To catch fluid out of drain valve
R 34 633
T-piece with water trap
T-piece with water trap
​Prevents the collection of water in the flow area of the device connection
R 34 735
Training adapter
Training adapter
The new BG 4 training adapter offers a cost-effective training for the user by saving soda lime, oxygen and cleaning of the BG 4.
Transport case for cooling cartridges
Transport case for cooling cartridges
​Transport of up to 6 cooling cartridges
R 34 767
Next Steps

Get in touch with Dräger

Smiling woman with blonde hair
Draeger Safety India Private Limited
​9th Floor, Commerz II, International Business Park, Oberoi Garden City, Off Western Express Highway, Goregaon (East), Mumbai - 400 063, India