Nominal Size: DN50~DN350
Operating Pressure
: Positive Pressure:355Pa~1765Pa
Negative pressure:295Pa
Connection End: Flange / Threaded
All Weather Breather Valve is applicable in cans of oil and liquid, which exclude the positive pressure and negative pressure gas, and so that the liquid could be flow easily.If without this valve, the tank will easy to deformation and vibration. All weather breather valve is an essential equipment for storage tanks.