RECOMMENDED FOR: Handling mixtures of oxygen, helium and nitrogen gases customarily used in applications as air breathing hose. The
kink–resistant hose is designed for extra–long wear under normal operating use. For applications involving SCBA such
as firefighting, barrier suits, mining.
TEMPERATURE: –20°F to +120°F (–40°C to +49°C) continuous service.
CONSTRUCTION: Tube: Type C (Nitrile). Black.
Reinforcement: Braided, high tensile synthetic textile cord.
Cover: Type A (Chloroprene). Black all sizes are perforated.
Design Factor: 4:1
STANDARDS: NIOSH Air Supply Line – System Certification only. No hose specific requirement, NFPA 1901/1981.

呼吸管 消防面罩 防护面罩呼吸管