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POMECO/OPW 500 Series (511 / 521) EVR Multi -Port - Features a flush -mounted manhole lid and <br />raised dual dam and groove spill container ring, with P51 1 -EVR Buckets using OPW 1-2100 Style <br />thread -on Spill Containers. All Fill Ports in these spill containers feature a enhanced 1 DK -21 00-EVR <br />vapor tight drain valve. The Vapor Return Spill Container features a permanent plug in the drain port <br />as per EVR requirements. EVR Multi -Port Thread -On Spill containers are available in Composite or <br />Cast Iron bases with 5 gallon buckets. Drain Valve Spill Bucket & Plug Spill Bucket standard on Dual <br />Ports, Drain Valve Spill Bucket standard on Single Port. <br />Required for EVR APPLICATIONS - The FSA -400 Threaded Riser Face Seal Adaptor is installed on <br />the fill pipe below the spill container to provide a true sealing for the drop tube flange on the 61 SO- <br />EVR overfill prevention valve. The 61 SO-EVR series valve is installed in the base of the OPW EVR <br />spill container with the patent pending 61JSK jack screw device. This configuration allows liquid in <br />the spill container to be drained directly into the drop tube, thereby isolating the drain valve from the <br />tank ullage, eliminating a notorious leak point in previous systems. <br />Table of Contents: <br />1. Features <br />2. Ordering Specifications <br />3. Dimensions <br />I.. Replacement Parts <br />5. Additional Resources <br />