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OPW : Products: Details Page 1 of 2 <br /> P VV40, Some Corftac.Us `Careers Links Login Dover 01[i fig Cornpi <br /> 04 <br /> Iri <br /> >> Product[Jets <br /> Search by Model Number: Browse by Categories: <br /> Model number: _,._....-.._..__..._._. _------___ category: Select Category <br /> Description: <br /> IMPORTANT; OPW products should be used in compliance with applicable federal,state,provincial,and local laws and regulations. Product sele <br /> should be based on physical specifications and limitations and compatibility with the environment and materials to be handled.OPW MAKES N( <br /> WARRANTY OF FITNESS FOR A PARTICULAR USE.All illustrations and specifications in this literature are based on the latest product informatic <br /> available at the time of publication.OPW reserves the right to make changes at any time in prices,materials,specifications and models and to <br /> discontinue models without notice or obligation. <br /> OPW > 0 .Envir..o..n_mental > Und.e.rground Storage Tan.k.Equipment> Overfill._Preven..tion E.qu..ipment <br /> 61S0 Overfill Prevention Valves <br /> 61SO Series Overfill Feature..s& � Mate ais Certifications 61$oR 81$0 oPW 6150 61so <br /> Prevention Advantages anQ Remota Va..por- ovefill Tyro- Coaxi <br /> Valves (61SO-3000 Ustifill Tight Prevention Point <br /> Remote -EVR <br /> 61SO-1000 61SO-100C i Fta <br /> 61SO-4000 61SO-4010 <br /> 61SO-4000-EVR 61SO- 61S..O...P_Poppeted._.C..oaxial <br /> 41OC-EVR 61SO-420C- <br /> EVR 613SK-4400-EVR The OPW 61SOP is used in poppeted coaxial fill applications in areas where CARB requirements have <br /> 61SO-4901 61SO-490C adaptor fitting(included with 61SOP)allows the vapor return path to open only when a fill elbow ii< <br /> 61SOM-4121 61SOP Poppeted Coaxial <br /> 61SOM412C-EVR <br /> 61SOR 61SO-4BYT <br /> 61SOC-4BYT 613SK- c /7-7 d <br /> 4RMT 61SOC-4001 <br /> 61SOC-4011 61SOPPA <br /> - <br /> 4002 61SOP-4012 <br /> 61SOCM-4000 61SOR- <br /> 4000 61SORM-4000) <br /> The OPW 61SO Overfill Prevention <br /> Valve is designed to prevent the <br /> overfill of underground storage <br /> tanks by providing a positive shut- <br /> off of product delivery.The shut- <br /> off valve is an Integral part of the <br /> drop tube used for gravity filling. <br /> 'The OPW 61SO allows easy <br /> installation(without breaking <br /> concrete)and requires no special <br /> manholes. <br /> The OPW 61SO is a two-stage <br /> shut-off valve.When the liquid <br /> level rises to about 950%of tank <br /> capacity,the valve mechanism is <br /> released,closing automatically <br /> with the flow.This reduces the <br /> flow rate to approximately 5 gprn <br /> through a bypass valve.The <br /> operator may then stop the filling <br /> https://www.opw-fc.com/product_detaii.aspx?pid=82&dcid=784 7/27/2005 <br />