All-weather Breathing Valve

Product Description: All-weather breathing valve is a gravity structure with overlapping valve seats.It adopts soft contact with air cushion between the valve disc and the valve seat, so it has a good air tightness. And for not easy to frost, it is suitable for use in cold areas. Application: For protecting the tank from damage in over-pressure and vacuum, all-weather breathing valve is an indispensable safety equipment for fixed top tanks such as crude oil, gasoline, kerosene, light diesel oil and aromatic hydrocarbons.