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U V420 V421 <br />V422 <br />Patented <br />4,163,462 <br />1 <br />V420 V421 V422 V423 V425 <br />VENT VALVE ASSEMBLY—Universal Vent Valve Assemblies allow mani- <br />folding of tank lines. When used in conjunction with Universal Float Vent <br />Valve 37 or 38, the Vent Valve Assembly restricts the vent system when <br />fuel level forces the ball to seat, slowing delivery rate dramatically, alerting <br />driver to stop tank fill. Polymeric -coated cast iron body. V421 includes V423 <br />Cage Assembly (used with 37); V420 does not include V423 Cage Assembly <br />(used with 38). The Vent Valve Assembly mounts on the UST flange and <br />secures and properly positions the Float Vent Valve in the tank. The com- <br />bination of V421 Vent Valve Assembly and 37 Float Vent Valve is recom- <br />mended for use in conjunction with vapor recovery systems, where the <br />underground vent piping of similar products may be manifolded. In this <br />application the Float Vent Valve will reduce product crossover. <br />Model # Port Size Weight (lbs.) A B <br />V420-0020 <br />2" <br />16.2 <br />8" <br />61/8" <br />V420-2020 <br />2" <br />x 2" <br />15.7 <br />8" <br />65/8" <br />V420-0030 <br />3" <br />18.0 <br />8" <br />61/8" <br />V420-3020 <br />3" <br />x 2" <br />16.7 <br />8" <br />65/8" <br />V420-3030 <br />3" <br />x 3" <br />17.6 <br />8" <br />61/8" <br />V421-0020 <br />2" <br />16.2 <br />8" <br />65/8" <br />V421-2020 <br />2" <br />x 2" <br />15.7 <br />8" <br />65/8" <br />V421-0030 <br />3" <br />18.0 <br />8" <br />65/8" <br />V421-3020 <br />3" <br />x 2" <br />16.7 <br />8" <br />61/8" <br />V421-3030 <br />3" <br />x 3" <br />17.6 <br />8" <br />65/8" <br />NOTE: All Vent Valve Assemblies have a standard 4" inlet and outlet. <br />TANK TESTING TOOL—Universal V422 isolates the tank from the vent and <br />vapor return piping for tank testing(after the V423 is removed). All metal <br />construction. Cleans and chases vent valve threads. <br />Weight: 5.9 lbs. <br />CAGE ASSEMBLY—Universal V423 is used for extraction of the <br />37 Float Vent Valve. Bronze body and zinc -plated steel pin. <br />Weight: 3.3 lbs. <br />TEST PLUG — Universal V425 is utilized in the V420 and V421 for tank <br />testing (after the V423 is removed) to isolate the tank from the vent and <br />vapor return piping. Bronze body and zinc -plated steel pin. <br />Weight: 3.2 lbs. <br />�—ems <br />T <br />to <br />