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)PW : Products : <br /> Details Page 1 of 1 <br /> , .yr H*Contact Us Careers Links Logir <br /> ; COMPANY PROFILE PRODUCTS FIND DISTRIBUTORS ': NEWS EVENTS :; <br /> PRODUCTS <br /> » Product Details <br /> Search by Model Number: Browse by Categories: <br /> Model Number: v f category: Select Category <br /> Description: <br /> VMS M. <br /> OPW > OPW Environmental > Undergro_und Storage Tank Equipment > Spill Containment Manholes > <br /> Thread-On Containment Manholes <br /> OPW Threaded Riser <br /> Adaptor (Face Seal Features I ordadoaSPgcf�tians naauQ�_aeseaes <br /> Adaptor) (FSA-400) <br /> Features <br /> An OPW FSA-400 Threaded Riser Face <br /> Seal Adaptor Is required to provide a The FSA-400 Threaded Riser Face Seal Adaptor is Installed on the fill pipe below the spill container b <br /> flat, true sealing surface on threaded provide a true sealing surface for the drop tube flange on the 61SO-EVR overfill prevention valve. <br /> pipes where a gasket seal exists per The 61SO-EVR series valve Is installed In the base of the OPW EVR spill container with the patent <br /> EVR requirements. The FSA-400 is pending 613SK lack Screw device. This configuration allows liquid In the spill container to be <br /> Installed on the fill pipe riser below the drained directly into the drop tube thereby isolating the drain valve from the tank ullage,eliminatinc <br /> spill container to provide a true sealing a notorious leak point in previous systems. <br /> surface for the drop tube flange on the <br /> 61SO-40OC-EVR overfill prevention <br /> valves. The FSA-400 is also required - <br /> on tank gauging risers and optional on <br /> vapor risers and rotatable adaptors. <br /> , <br /> .r <br /> E" aT11 <br /> Y y, <br /> view more detailed Image. <br />