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OPW Overfill Prevention - EVR <br />The OPW 61 SO-40OC-EVR series Overfill Prevention Valves are certified for installation on OPW Phase 1 <br />EVR Systems. The vapor -tight EVR 61 SO's are designed to provide positive shut-off of product delivery before <br />an overfill condition occurs per EPA requirements without intervention from the transport driver. The valve <br />features a sealed float pivot and a threaded lower tube connection and exceeds the EVR requirement for a <br />maximum vapor leak rate of 0.17CFH@2" H2O- The 61 SO-EVR series valve is installed in the base of the <br />OPW EVR spill container with the patent pending 61JSK Jack Screw Device. This configuration allows liquid <br />in the spill container to be drained directly into the drop tube thereby isolating the drain valve from the tank <br />ullage, eliminating a notorious leak point in previous systems. <br />OPW Overfill Prevention - EVR <br />0P.N1..16CI.z <br />rmow <br />' fCNY'Itllll <br />