Emergency vent with both pressure and vacuum relief for use on aboveground storage tanks. Emergency vacuum relief can be utilized as a backup to the "normal" vent. Opening pressure and vacuum settings are approximate. WARNING!The 143 Series emergency vents are for "emergency pressure relief only" and must be used in conjunction with a "normal vnet' or pressure vacuum vent, such as a Morrison 354, 548, 748, or 749. The 143 Series emergency vents must be properly sized and selected for each specific tank application in order to meet the proper "venting capactity" requirements. Catalog page 137
Item #
MO143A0400AV
Manufacturer
Morrison Bros.
Shipping Weight
Size
Opening Pressure Setting (oz/in2)
Venting Capacity (CFH) (@2.5 PSI)
Mounting Connection
Our Price:
$522.16
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$506.50 3 or more
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