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OPW 53V TALL FLOAT VEIT VALVES <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 <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 sized to <br /> life: cause a"slow down"effect and <br /> + Proven Concept-the basic ball 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. Z 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. 4. Stainless Steel Float with <br /> + Easy to Service-the float vent Counterweight-assures proper <br /> valve assembly can be easily 3 alignment and tight shut-off. <br /> withdrawn,eliminating the need to Corrosion proof for long life and <br /> f� 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. !11 �— 4 pumping systems,not suction pump <br /> + Adaptable-many tanks are already systems. <br /> equipped with OPW extractor OPW Overfill Warning Systems <br /> assemblies,so overfill prevention can should only be used on gravity drop <br /> be easily achieved. systems.DO NOT use where Pump Off <br /> +Easy Tank Testing-when using Unloading is used. <br /> OPW overfill systems,the extractors <br /> are easily plugged for testing. Materials <br /> +OPW Bail Float Vent Valves are tripe nipple:steel <br /> covered under patent no. 3,736,950. Coaling:Duragard® <br /> Cage:stainless steel <br /> Ball:stainless steel <br /> 400 P VV <br /> P.O.Bax 405003+Cincinnati,Ohio 45240-5003+Telephone:(513)B70-3219+(800]422-2525+Fax:(9001421-3297 <br /> d Copyright 1992 OPW Fueling Campunenis/A Boyer Resources Company,Printed In USA 9/92 <br />