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OPW 5 3VOBALL FLOAT JOE HT 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- <br />tent performance and long service <br />life: <br />Proven Concept - the basic ball <br />float concept has been proven in <br />numerous applications to help <br />prevent product contamination. <br />> Corrosion Resistant - the OPW <br />53V Series is coated with Duragard" <br />and resists corrosion to provide long <br />life and tight shut-off. <br />• Easy to Service - the float vent <br />valve assembly can be easily <br />withdrawn. eliminating the need to <br />dig to the tank for service. <br />, Flexible - the various OPW float <br />vent valves and extractor fitting <br />assemblies can be combined to meet <br />various piping requirements and/or <br />system operating characteristics. <br />Adaptable - many tanks are already <br />equipped with OPW extractor <br />assemblies. so overfill prevention can <br />be easily achieved. <br />Easy Tank Testing - when using <br />OPW overfill systems, the extractors <br />are easily plugged for testing. <br />OPW Ball Float Vent Valves are <br />covered under patent no. 3,736.950. <br />-0 2 <br />'0 3 <br />Unique Features: <br />1.Vapor flow orifice - properly si: <br />cause a "slow down" effect and <br />reduce delivery flow. <br />2. Duragard° Coating - resists <br />corrosion to provide long life ar <br />tight shut-off. <br />3. Sealed Cage Points - eliminate <br />uncalibrated vapor loss, assures <br />proper "slow down" effect. <br />4. Stainless Steel Float with <br />Counterweight - assures proper <br />alignment and tight shut-off. <br />Corrosion proof for long life an, <br />tight shut-off. <br />.,...1 r+cT <br />OPW Overfill Warning Systems <br />should only be used on submerges: <br />pumping systems, not suction pun - <br />systems. <br />OPW Overfill Warning Systems <br />should only be used on gravity dre <br />systems. DO NOT use where Pum - <br />Unloading is used. <br />Materials <br />Pipe nipple: steel <br />Coating: Duragard <br />Cage: stainless steel <br />Bail: stainless steel <br />. DOYEN nESOu'CEECOW..-, - P.O. Box 405003 • Cincinnati. Ohio 45140.5003 • Teleohone: (513) 870-3219 s (800) 422-1525 ®Fax: (800) 411-3297 <br />Q1g2 <br />Cooyright 1992 OPW Fueling Comoonems/A Dover Resources Camoonv. Printed In USA <br />