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14 <br />VENT VALVE ASSEMBLY - Allows manifolding of tank lines. Can be used in <br />conjunction with Universal Float Vent Valve 37 or 38, for overfill protection. Also <br />reduces product crossover in manifolded vapor recovery systems. V421 includes <br />V423 Cage Assembly (used with 37); V420 does not include V423 Cage <br />Assembly (used with 38). <br />Model # <br />Port Size <br />Weight (lbs.) <br />Height <br />Width <br />V420-0000 <br />0" x 0" <br />18.4 <br />8" <br />65/e" <br />V420-0020 <br />0" x 2" <br />16.2 <br />8" <br />65/e" <br />V420.2020 <br />2" x 2" <br />15.7 <br />8" <br />65/8" <br />V420-0030 <br />0" x 3" <br />18.0 <br />8" <br />65/e" <br />V420-3020 <br />3" x 2" <br />16.7 <br />8" <br />65/8" <br />V420-3030 <br />3" x 3" <br />17.6 <br />8" <br />65/e" <br />V421-0000 <br />0" x 0" <br />18.4 <br />8" <br />6518" <br />V421-0020 <br />0" x 2" <br />16.2 <br />8" <br />6'i8" <br />V421.2020 <br />2" z 2° <br />15.7 <br />8" <br />2" x 21" <br />V421-0030 <br />0" x 3" <br />18.0 <br />8" <br />65/8' <br />V421.3020 <br />3" x 2" <br />16.7 <br />8" <br />6518" <br />V421.3030 1 <br />3" x 3" <br />17.6 <br />8" <br />65/8" <br />• Allows manifolding of tank lines • Polymeric -coated cast iron body <br />• Easy mounting on UST flange • Standard 4" inlet and outlet <br />• Properly positions the Float Vent Valve <br />FLOAT VENT VALVE - Used in conjunction with the Model V421 Vent Valve <br />Assembly to protect against overfill of USTs by signaling the transport driver when <br />the tank is filled to 90% capacity, in accordance with EPA guidelines. Fuel levels <br />force the stainless steel ball to seat tightly against a specially -designed valve seat, <br />which restricts the venting system and slows delivery rate dramatically, alerting <br />the transport driver to stop product drop. <br />Model # <br />Size <br />Bleed Hole Size <br />Weight (lbs.) <br />Height <br />Width <br />37.206000 <br />2" x 6" <br />0" <br />1.5 <br />91/2" <br />31/6" <br />37-206018 <br />2" x 6" <br />1/8" <br />1.5 <br />91i2" <br />3'/e" <br />37-206016 <br />2" x 6" <br />1/15" <br />1.5 <br />91/2" <br />Tis" <br />37.201218 <br />2" x 12" <br />'le" <br />3.7 <br />161/2" <br />T/s" <br />37-201216 <br />2" x 12" <br />'/16" <br />3.7 <br />161/2" <br />31/e" <br />37.201618 <br />2"x 16" <br />'/s" <br />4.4 <br />19'12" <br />T/s" <br />37.201616 <br />2" x 16" <br />'hs" <br />4.4 <br />19'12" <br />3'/e" <br />37-202118 <br />2" x 21" <br />'/s" <br />6.2 <br />241/2" <br />T/8" <br />37-202116 <br />1 2" x 21" <br />'/16" <br />6.2 <br />241/2" <br />T/8" <br />• Prevents product mixing <br />• Easily extracted to allow tank testing <br />• Easy to install <br />• Polymeric -coated steel body <br />• Galvanized steel cage <br />• Stainless steel float ball <br />