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Lightweight Emergency Vent
One Year Manufacturer Warranty

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Morrison Brothers 245 Series Lightweight Emergency Vent

3 - 8 in. Female, Aluminum, BSP Thread Option, Screen Option

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Select Model & Quantity:

Model # Description Price Qty
245---0300 AV 3 in. Female Threaded, Aluminum $68.13
245---0400 AV 4 in. Female Threaded, Aluminum $82.29
245---0600 AV 6 in. Female Threaded, Aluminum $121.21
245---0800 AV 8 in. Female Threaded, Aluminum $194.66
245B--0300 AV 3 in. Female BSP Threads, Aluminum $68.13
245B--0400 AV 4 in. Female BSP Threads, Aluminum $82.29
245B--0600 AV 6 in. Female BSP Threads, Aluminum $121.21
245B--0800 AV 8 in. Female BSP Threads, Aluminum $194.66
245S--0300 AV 3 in. Female Threaded, Aluminum, with Screen $77.86
245S--0400 AV 4 in. Female Threaded, Aluminum, with Screen $92.90
245S--0600 AV 6 in. Female Threaded, Aluminum, with Screen $133.61
245SB-0300 AV 3 in. Female BSP Threads, Aluminum, with Screen $77.86
245SB-0400 AV 4 in. Female BSP Threads, Aluminum, with Screen $92.90
245SB-0600 AV 6 in. Female BSP Threads, Aluminum, with Screen $133.61
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Morrison Brothers - 245 Series - Lightweight Emergency Vent
This lightweight, spring-loaded emergency vent (pressure relief only) is used on aboveground storage tanks, as a code requirement, to help prevent the tank from becoming over-pressurized and possibly rupturing if ever exposed to fire. This vent must be used in conjunction with a "normal vent." Correct application of this vent requires proper vent size and selection for the tank system in order to meet the specific venting capacity.