Model Number 330 Pressure Vacuum Relief Valve with Flame Arrester is combination of model 100 (end of line
pressure vacuum relief valve) and 300 (in-line deflagration flame arrester) a safety device, which controls the internal pressure with a flame barrier and a pressure vacuum vent on top.
The flame arrester performs as an extinguishing barrier, which absorbs and dispels heat, reduces fire temperature and the oxygen level to stop the fire through layers of metal ribbons shaped with crimped corrugations.The valves are mounted on the tank roof flange or a vent pipe from the vapor space. Dependent upon specific requirements, the vents can be applied to desired specifications allowing the pallet assemblies to open when specific pressure and vacuum levels are reached.
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