Positive pressure air breathing apparatus mask and RHZK6.8 / 30mpa air supply valve Positive pressure fire mask Gas supply valve

Brand: Positive pressure air breathing apparatus mask and RHZK 6.8 / 30mpa air supply valveSpecial is introduced: the mask can be connectedPositive pressure type of fire-fighting equipment.Product features:1.Patent design unique exhalation valve respiratory resistance is small, ensure that users feel comfortable;Its performance can reach the standard oubiao EN136 level 3 related requirements.2,Scratch proof, wear resistance.Anti-fog treatment, ensure that won't becauseThe fogThe influence line of sight.3,High light transmittance, clear vision, 100% no visual deformation phenomenonWear comfortable.4,Double rubber edge with facial fit closely around, generous sealing side to make pressure on the face is small.After wearingCover nose and mouth with no facial contact pressure.5,Comprehensive cover all quick plug interface can realize single hand operation, the use is very convenient and quick.6,Wide vision, clear not distortion, enhance the safety in use.7,Flame retardant, antistatic material increased the use of security.Easy maintenance, long service life.Special is introduced: Positive pressure RHZK 6.8 / 30mpaSupply valveStyle: positive pressure, the first time automatically activated breathing.Air supply: air supply ≥ 500 (L / min), the mask always maintain a slight positive pressure, according to the actual air consumption automatically adjusted.Advantages: small respiratory resistance, air flow stability. The air supply valve is small in size, simple in structure, easy to operate and the connection of the mask is quick card type, and the air supply valve can be opened automatically when connected.Technical indicators:Dynamic respiratory resistance: 100l / min breathing, the inspiratory resistance of 92 ~ 125pa; 50l / min breathing, the inspiratory resistance of 108 ~ 125pa, breath resistance of 539-602pa, is a positive pressure Supply valve, in line with GA124-2004 national standards.