The RHZK6.8/A self-contained breathing apparatus is an industry-standard self-contained open-circuit respiratory protection device. With a 6.8L cylinder volume and 2040L air storage capacity.
It achieves a balanced combination of endurance and portability among similar products. Its operating temperature range covers extreme environments from -30 to 60℃, and at a rated working pressure of 30MPa, the air supply flow is ≥1000L/min.
Coupled with a low inhalation resistance design of ≤500Pa, it offers smoother breathing than conventional models.
The product optimizes endurance for different work intensities, providing 70 minutes for light work, 45 minutes for moderate work, and 30 minutes for high-intensity work, meeting diverse scenario needs.
The overall weight of 11.3kg ensures protective performance while reducing the burden of prolonged wear.
Product Advantages
Advantages:
Comfortable Breathing: Inhalation resistance ≤500Pa, exhalation resistance is optimized according to breathing frequency, ensuring smooth airflow and reducing respiratory fatigue.
Safety Warning: A high-volume alarm device of ≥90db and a precise alarm pressure of 5.5±0.5MPa provide timely warnings of remaining air volume, ensuring safe evacuation.
Structural Design Features:
Ergonomic Backplate: Designed according to Asian body curves, the weight is evenly distributed, resulting in no significant pressure during prolonged wear.
Efficient Air Supply System: The pressure reducer provides stable output, the air supply valve responds quickly, and the air supply flow of ≥1000L/min meets the needs of rapid breathing.
Reliable Sealing Protection: The static pressure in the mask cavity is reasonably controlled, ensuring excellent airtightness and effectively isolating toxic gases and dust.
Convenient Operation Design: The cylinder valve has a ratchet anti-reverse device to prevent accidental closing, and the pressure gauge has a luminous function for clear readings in dim environments. Applicable Scenarios:
Firefighting: Suitable for various fire scenes, providing protection against dense smoke, toxic fumes, and oxygen-deficient environments, ensuring the safety of firefighting operations.
Emergency Rescue: Provides respiratory protection for rescue personnel in hazardous scenarios such as chemical leaks, underground spaces, and mine collapses.
Industrial Operations: Suitable for industries such as petrochemicals, metallurgy, and warehousing, for use in confined spaces or environments with harmful gases.
Emergency Preparedness: Meets the temporary respiratory protection needs in scenarios such as power repair and laboratory emergency response.
Technical Parameters
|
Cylinder Volume |
6.8L |
|
Gas Storage Capacity |
2040L |
|
Operating Temperature |
-30~60℃ |
|
Total Weight |
11.3kg |
|
Operating Pressure |
≤30MPa |
|
Alarm Sound Intensity |
≥90db |
|
Alarm Pressure |
5.5±0.5MPa |
|
Inhalation Resistance |
≤500Pa |
|
Light Use Duration |
70min |
|
Air Supply |
≥1000L/min |
|
Static Pressure in Mask Cavity |
≤500Pa |
|
Expiration Resistance (25 breaths/min) |
≤700Pa |
|
Expiration Resistance (40 breaths/min) |
≤1000Pa |
|
Medium Use Duration |
45min |
|
High Use Duration |
30min |
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