All-weather Breathing Valve

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.

Parameters:

Model	HXF-1	Size	DN25-350 PN:0.6-2.5
Body Materials	AL/ CS 304 316 316L	Gide Rod	AL 304 316 316L
Bolt/Nut	CS 304 316 316L	Gasket Seal	Graphite/Metal/PTFE
Positive Valve Plate	+36mmH2O~+1000mmH2O	Vacuum Pressure	-25mmH2O~65mmH2O
Pressure Group	A B C D	Ambient temperature	CS:-30℃~+350℃ SS：-80℃~+350℃
Joint Type	Flange; Thread	Flange standard	JIS, HG,GB,ANSI,...