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C> F31 VV41111Home Contact Us Careers Links Login Dover Operatir <br />-daiwart <br />COMPANY PROFILE PRODUCTS FIND DISTRIBUTORS NEWS EVENTS <br />Search by Model Number" <br />Model Number: <br />Description: <br />Browse by Categories: <br />Category: Sdect Category <br />>> Produ4 <br />IMPORTANT: OPW products should be used in compliance with applicable federal, state, provincial, and local laws and regulations. Pr <br />should be based on physical specifications and limitations and compatibility with the environment and materials to be handled.-OPW I <br />WARRANTY OF FITNESS FOR A PARTICULAR USE. All illustrations and specifications in this literature are based on the latest product i <br />available at the time of publication. OPW reserves the right to make changes at any time in prices, materials, specifications and mods <br />discontinue models without notice or obligation. <br />OPW > Qp1Ad_E..nviraaamental > Underground $to_rage__Tank Equiipment > Tank.Ventsng_quipmen. <br />Vacuum Vents and_ ,daptmrs <br />certified pressure <br />#, <br />vacuum vents <br />623V-3203) <br />Pressure Yaeuum_ Yeasts and <br />Adaptors <br />Pressure Vacuum Vents are installed on <br />the top of vent pipes from underground <br />or aboveground fuel storage tanks. <br />The vent cap and internal wire screen <br />are designed to protect the tank vent <br />lines against intrusion and blockage <br />from water, debris or insects. A <br />normally closed poppet in the valve <br />opens at a predetermined pressure or <br />vacuum setting to allow the tank to <br />vent. <br />view. more detail Ma_gg» <br />FeaturescWt"rsionI L Materiais ReplacementQfftqrQ <br />1 Table Parts 4"se-ftations <br />• Pressure/Vacuum Setting - 3" water column pressure settings and 8" water co <br />settings are factory preset and tested. <br />• Reliable Service - Cycle tested to the equivalent of 80 years of service into the <br />environment without leakage problems. <br />• Corrosion Resistant Construction - A Duratuff ® composite body assures a long ser <br />• Easy installation - The 623V is available in 2" and 3" threaded versions. <br />• California Air Resource Board Certified <br />• EVR-Certified <br />• Underwriters Laboratory Listed <br />• Complies with NEPA 30 Requirements <br />• High Maximum Flow rate - 6450 SCFH at @ psi pressure drop(. <br />• Maninfold Vent Pipes - Vent pipes may be manifolded to produce a single Pres <br />Vent line. The 623V exceeds California's requirements of a maximum vapor le. <br />SCFH at 2.00 inches of H2O. <br />• Leak Rate - Multiple pressure vacuum vents installed on a single site. The 623 <br />California standards with a leak rate of 0.05 SCFH or less at 2.00 inches H2O. <br />• Maintenance - No tools required. A removable snap fit top allows for easy mai <br />(recommended yearly) <br />• 100 -mesh Stainless Steel Wire Screens - Helps prevent debris and insects fror <br />tank vent lines. An added screen installed at the base prevents debris from int <br />the vent stack <br />• Adaptor Bushing - Removable Hex threaded bushing designed for easy instalk <br />threaded risers. Allows for easy access to lower screen. <br />https://www.opw fc.Com/product det W.Wpx?pi(j_-2XX_rRA 2/18/2005 <br />