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Updraft Vent I Morrison Bros <br />LI MORRISON BROS. CO. <br />HomeI Products I Resources I Sales Contacts <br />Page 1 of 2 <br />Search o <br />About Morrison Bros. Co I Contact Q I Order Tracking I CARB Certification <br />Features Ordering Instructions Downloads <br />Standard Features <br />Directs vapors outward and upward in accordance with NFPA 30 <br />Protects the vent line from debris and insects <br />Water resistant rain cap sheds water away from the vent line <br />Slip on design with set screws for easy installation <br />Internal drain channels water penetration out through weep hole <br />354T is compatible with DEF <br />Construction Details <br />354 <br />• Body and cap: Aluminum die cast <br />• Screen: 40 mesh brass <br />354T <br />• Body and cap: PTFE coated black aluminum <br />• Screen: 40 mesh stainless Steel <br />Certifications & Listings <br />354 <br />CARB 89-12 (1 1!2" and 2" models) <br />ESPANOL ENGLISH <br />Updraft Vent <br />FIG 354, 354T <br />Atmospheric updraft vents are installed on the top of storage tank <br />vent pipes on underground and aboveground fuel storage tanks. <br />Note: Open vents will allow unrestricted evaporation of product. <br />WARNING: DO NOT FILL OR UNLOAD FUEL FROM A STORAGE <br />TANK UNLESS IT IS CERTAIN THAT THE TANK VENTS WILL <br />OPERATE PROPERLY. Morrison tank vents are designed only <br />for use on shop fabricated atmospheric tanks which have been <br />built and tested in accordance with UL 142, NFPA 30 & 30A, and <br />API 650 and in accordance with all applicable local, state, and <br />federal laws. In normal operation, dust and debris can <br />accumulate in vent openings and block air passages. Certain <br />atmospheric conditions such as a sudden drop in temperature, <br />below freezing temperatures, and freezing rain can cause <br />moisture to enter the vent and freeze which can restrict internal <br />movement of vent mechnisms and block air passages. All <br />storage tank vent air passages must be completely free of <br />restriction and all vent mechanisms must have free movement in <br />order to insure proper operation. Any restriction of airflow can <br />cause excessive pressure or vacuum to build up in the storage <br />tank, which can result in structural damage to the tank, fuel <br />spillage, property darnage, fire, injury, and death. Monthly <br />inspection, and immediate inspection during freezing <br />conditions, by someone familiar with the proper operation of <br />storage tank vents, is required to insure venting devices are <br />functioning properly before filling or unloading a tank. <br />Related Products <br />http://www.morbros.com/products/vents/updraft-vents/updraft-vent 2/26/2018 <br />