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u Model 244 Emergency Vents I 8-inch SPECIFICATION SHEET Application UL Listed emergency vent (pressure relief only) 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. The 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. Code Compliance When properly sized for the tank, this vent will conform to the Fig. 2440M C UL US LISTED 58 UL requirements of the International Fire Code; National Fire Code of Canada; 2583 National Fire Protection Agency- NFPA 1, 30, 30A, 31, 37, 110; Petroleum Equipment Institute- PEI RP200, PEI RP800; Underwriters Laboratories Inc. UL-142, UL-2085, UL-2244; Underwriters Laboratories of Canada CAN/ ULC S601, CAN/ULC S602, CAN/ULC S652 WARNING: DO NOT FILL OR UNLOAD FUEL FROM A STORAGE Approvals TANK UNLESS IT IS CERTAIN THAT THE TANK VENTS WILL California Air Resource Board (CARB) Phase 1 Enhanced Vapor OPERATE PROPERLY. Morrison Recovery (EVR)AST Certified Products (VR-402-B) '-� tank vents are designed only for use EVRon shop fabricated atmospheric tanks Underwriters Laboratories Inc. UL-2583 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 2440--0600 AV 8" 503,517 8 1 A AL 13.5" 4.6" 33.0 and debris can accumulate in vent EVR 2440--0600AVEVR s" 503,517 8 1 B AL 13.5" 4.6" 33.0 openings and block air passages. W 2440--0700 AV 8" 503,517 16 1 A AL 13.5" 5.8" 62.0 Certain atmospheric conditions such as EVRa sudden drop in temperature, below 2440--0700AVEVR 8" 503,517 16 1 B AL 13.5" 5.8" 62.0 freezing temperatures, and freezing rain 2440F-0100 AV 8" 503,517 F 8 1 A AL 13.5" 3.3" 33.0 can cause moisture to enter the vent E�R 2440E-0100AVEVR 8" 503,517 F 8 1 B AL 13.5" 3.3" 33.0 and freeze which can restrict internal W 2440F-0200 AV 8" 503,517 F 16 1 A AL 13.5" 4.5" 67.0 movement of vent mechanisms and EVR 2440E-0200AVEVR 8" 503,517 F 16 1 B AL 13.5" 4.5" 67.0 block air passages.All storage tank vent air passages must be completely free of y<s 2440M-0600 AV s" 503,517 M a 1 A AL 13.5" 5.8" 34.0 restriction and all vent mechanisms must EVR 2440M-0600AVEVR 8" 503,517 M 8 1 B AL 13.5" 5.8" 34.0 have free movement in order to insure 2440M-0700 AV 8" 503,517 M 16 1 A AL 13.5" 6.9" 63.0 proper operation. Any restriction of EVR 2440M-0700AVEVR 8" 503,517 M 16 1 B AL 13.5" 6.9" 63.0 airflow can cause excessive pressure or 2440MB0700AV 8" 503,517 M 16 1 A AL 13.5" 6.9" 63.0 vacuum to build up in the storage tank, 2440MBSP0600AV 8" 503,517 M 8 I B AL 13.5" 5.8" 34.0 which can result in structural damageto the tank, fuel spillage, property Flange=14"OD;eight(8).88"Diameter holes on 11.75"diameter B.C. damage, fire, Injury, and death. Monthly SPECIFICATION OPTIONS: inspection, and immediate inspection A-Size(inches) during freezing conditions, by someone B-Venting capacity/SCFH at 2.5 P.S.I. familiar with the proper operation of C-Mounting connection:Female N.P.T.(BLANK);Male N.P.T.(M);Flanged(F); storage tank vents, is required to insure D-Pressure settings:8,16 oz/in'.Pressure required to open vent. venting devices are functioning properly E-Cover:Cast iron powder coated(1) before filling or unloading a tank. F-Seat material: O-Ring Viton A(A)or Viton B(B) G-Body material:Aluminum(AL)or Iron(1) Diameter-Dimension across vent(inches) Height-Dimension from base to top when closed(inches) Weight-Shipping weight(Ibs) Bolt-Zinc plated steel 57o E.7th Street,P.O.Box 238 1 Dubuque,IA 52004-0238 t.563.583.5701 1 8o0.553.4840 I f.563.583.5028 M O R R I S O N BROS. CO. Www.morbros.com