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,... |
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