QZF-89 Atmospheric pressure vacuum relief valve with flame arrestor

Atmospheric pressure vacuum relief valve with flame arrestor

Model QZF-89 is designed to vent to atmosphere to protect your tank from damage created by over-pressure or excessive vacuum.

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Atmospheric pressure vacuum relief valve with flame arrestor

Model QZF-89 is designed to vent to atmosphere to protect your tank from damage created by over-pressure or excessive vacuum. The flame arrestor 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.