Breathing Valve Parameters:
- DN/DN1: 80/100
- DN/DN1: 100/150
- Flange connect size and seal completely: GB569 or GB2501 or according to the customer’s request
Application:
Oil vessels, liquid cargo ships, chemical tankers, tanker trains, closed bunkers of liquids or chemicals.
Valves help to safely protect cargo compartments, tanks, containers when the pressure is up or down too prescribed, avoid deformation of the cargo hold
Actual images:
Valve Size DN100:150 
Breathing valves have 2 different sizes 
The door at the foot of the valve is an inhaler, with a fire-blocking mesh 
Pipe fitting breathing valve 
Forced open hand valve 
Breathing valve mounted on the cargo tunnel air asses
Since 2012, manufacturers no longer produce this type of valve. At the same time, the registration of production water is no longer granted certificates. Therefore, customers consider using high-speed breathing valves below.
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