Demand Valve for SCBA, breathing apparatus accessories
There is big diaphragm valve inside as the self-balancing system, automatically tracking users’ breathing actions, provide the on-demand supply and ensure that pressure inside the mask higher than external environment.
The square manual turnoff button in front of demand valve can turn off the demand valve against the outputting air flow to stop air supply. And it will automatically starts by the suction at inhalation.
Features of The Demand Valve:
· Demand valve can be inserted mask in 360 angles promptly.
· Small size, provide large lower vision for the full mask.
· Offer airflow depending on user’s requirement, airflow exceeds 510L/min, user can get comfortable breathing even if they are in heavy activity.
· Open pressure: -698pa
· Static state pressure: 231pa
· Inhalation resistance: 145pa – 210pa
· Adopt the technic of air-save.
Detail pictures:
full face mask respirator breathing apparatus mask