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Home/ CATEGORIES/ Tank Equipment/ Above Ground Storage Tank (AST) Equipment/ Tank Gauges & Alarms/ 1-1/2 to 4 in. Updraft Tank Vents

1-1/2 to 4 in. Updraft Tank Vents
One Year Manufacturer Warranty

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Morrison Brothers 354 1-1/2 to 4 in. Updraft Tank Vents

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Select Model & Quantity:

Model # Description Price Qty
354---0100 AV 1.5 in. Slip-On, Die-Cast Aluminum $34.79
354---0200 AV 2 in., Slip-On, Die-Cast Aluminum $29.08
354---0300 AV 3 in. Slip-On, Die-Cast Aluminum $69.21
354---0400 AV 4 in. Slip-On, Die-Cast Aluminum $152.97
354T--0200 AV 2 in., Slip-On, Teflon Coated Aluminum $131.13
354T--0300 AV 3 in., Slip-On, Teflon Coated Aluminum $190.63
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Morrison Brothers 354 1-1/2 to 4 in. Updraft Tank Vents

Atmospheric updraft vents are installed on the top of storage tank vent pipes on underground and aboveground fuel storage tanks. 

Note: Open vents will allow unrestricted evaporation of product.

Standard Features
  •  Directs vapors outward and upward in accordance with NFPA 30
  •  Protects the vent line from debris and insects
  •  Water resistant rain cap sheds water away from the vent line
  •  Slip on design with set screws for easy installation
  •  Internal drain channels water penetration out through weep hole
  •  354T is compatible with DEF
Construction Details

354

  • Body and cap: Aluminum die cast
  • Screen: 40 mesh brass

354T

  • Body and cap: Teflon® coated black aluminum
  • Screen: 40 mesh stainless Steel
Certifications & Listings

 354

  •  CARB 89-12 (1 1/2″ and 2″ models)

 

Figure Suffix Size Description Weight (lbs)
354 0100 AV 1.5" Updraft Vent 0.75
354 0200 AV 2" Updraft Vent 0.75
354 0300 AV 3" Updraft Vent 1.5
354 0400 AV 4" Updraft Vent 2.25
354T 0200 AV 2" Updraft Vent, Slip-on, Teflon Coated Aluminum, w/ss Screen 0.75
354T 0300AV 3" Updraft Vent, Slip-on, Teflon Coated Aluminum, w/ss Screen 1.5
WARNING:
DO NOT FILL OR UNLOAD FUEL FROM A STORAGE TANK UNLESS IT IS CERTAIN THAT THE TANK VENTS WILL OPERATE PROPERLY. Morrison tank vents are designed only for use on shop fabricated atmospheric tanks which have been built and tested in accordance with UL 142, NFPA 30 & 30A, and API 650 and in accordance with all applicable local, state, and federal laws. In normal operation, dust and debris can accumulate in vent openings and block air passages. Certain atmospheric conditions such as a sudden drop in temperature, below freezing temperatures, and freezing rain can cause moisture to enter the vent and freeze which can restrict internal movement of vent mechnisms and block air passages. All storage tank vent air passages must be completely free of restriction and all vent mechanisms must have free movement in order to insure proper operation. Any restriction of airflow can cause excessive pressure or vacuum to build up in the storage tank, which can result in structural damage to the tank, fuel spillage, property damage, fire, injury, and death. Monthly inspection, and immediate inspection during freezing conditions, by someone familiar with the proper operation of storage tank vents, is required to insure venting devices are functioning properly before filling or unloading a tank.
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