Large cavity fire arresting breather valve

The working principle of the fire-resistance breather valve is to use a spring limit valve plate, which is determined by the positive and negative pressures to exhale or inhale. The breather valve should have the functions of releasing positive pressure and negative pressure. Specifically: when the container is under positive pressure, the breather valve opens to release the positive pressure; when the container is under negative pressure, the fire retardant breather valve opens to release the inhaled gas Negative pressure. This ensures that the pressure is within a certain range and the safety of the container is ensured. One is to exhale or inhale when a certain pressure is reached. The other is designed to only breathe but not breathe. It can be understood as using two check valves with appropriate pressure instead. The fire-resistance breather valve can not only maintain the pressure balance of the storage tank, ensure that the storage tank is damaged under overpressure or vacuum, but also reduce the medium and loss in the tank. This type of valve should generally be installed horizontally in the pipeline.

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