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C y t WO k ti r. r ti 4 a ■ 9 WW i +s ti r. rc j <br /> OPW 53VML Ball Float Vent Valves,when installed in an OPW 233V Extractor <br /> Fitting,form a system that helps prevent product mixing and meets the Federal <br /> EPA's 90%flow restriction requirement for overfill prevention of underground stor- <br /> age tanks. <br /> When the UST is filled to a predetermined level,the stainless steel ball float rises �TcM O <br /> to seat tightly against a specially designed valve seat.This restricts the flow of <br /> vapors back to the delivery transport or tank vent.The pressure created in the UST <br /> by the vapor flow restriction works against the head of liquid remaining in the deliv- <br /> ery transport and hoses to reduce the incoming flow rate. <br /> The OPW 53VML provides consis- Unique Features: <br /> tent performance and long service 1.Vapor flow orifice-properly size( <br /> fife: to cause a"slow down"effect and <br /> ♦Proven Concept-the basic ball E— i reduce delivery flow. <br /> float concept has been proven in 2. Duragard®Coating-resists <br /> numerous applications to help corrosion to provide long life and <br /> prevent product contamination. E— 2 tight shut-off. <br /> ♦Corrosion Resistant-the OPW 3. Sealed Cage Points-eliminates <br /> 53V Series is coated with Duragard® uncalibrated vapor loss,assures <br /> and resists corrosion to provide long proper"slow down"effect. <br /> life and tight shut-off. <br /> 4. Stainless Steel Float with <br /> ♦Easy to Service-the float vent Counterweight-assures proper <br /> valve assembly can be easily E— 3 alignment and tight shut-off. <br /> withdrawn,eliminating the need to Corrosion proof for long life and <br /> dig to the tank for service. tight shut-off. <br /> ♦Flexible-the various OPW float <br /> vent valves and extractor fitting Warning <br /> assemblies can be combined to meet OPW Overfill Warning Systems <br /> various piping requirements and/or should only be used on submerged <br /> system operating characteristics. 4 <br /> pumping systems,not suction pump <br /> ♦Adaptable-many tanks are already systems.For special applications,cor <br /> equipped with OPW extractor tact OPW Fueling Components. <br /> assemblies,so overfill prevention can OPW Overfill Warning Systems <br /> be easily achieved. should only be used on gravity drop <br /> *Easy Tank Testing-when using systems.DO NOT use where Pump <br /> OPW overfill systems,the extractors Unloading is used. <br /> are easily plugged for testing. <br /> ♦OPW Ball Float Vent Valves are Materials <br /> covered under patent no.3,736,950. Pipe nipple:steel <br /> Coating:Duragard® <br /> (age:stainless steel <br /> Ball:stainless steel <br /> O Telephone:(5131870-3219•(800)422.2525•Fax:(513)870.9186•(800)421-3297 <br /> ®1992 OPW FueBng Components•P.O.Box 405003•Gndrtnd,OH 45240-5003•Printed in USA•TV431294.12/94 <br />