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STAGE I VAPOR RECOVERY <br />0 P W 6 3, "1, - <br />UIE <br />� <br />The OPW 61 -AS Adaptor has NPSM pipe threads, and a bona -N gasket which forms a tight seal <br />when threaded onto the riser pipe or drop tube. The coupler sealing surface is vertical so dirt and grit <br />are less likely to adhere. The OPW 60 Tight Fill Elbow is used with this adaptor. <br />The 61 -AS is available in 3" x 2", 3" x 3", 3" x 4", 4" x 4", 4" x 3", 4" x 2112", and 4" x 2" sizes. e <br />The OPW 633-T is an aluminum-hardcoat anodized Fillpipe Adaptor for use with the OPW 60-T <br />Tight Fill Elbow, and seals by means of a bung- N gasket. <br />Available in 3" x 2", 3" x 3", 3" x 4", 4" x 4", 4" x 3", and 4" x 31/2" sizes. <br />For complete Tight Fill equipment, see Catalog SSF. <br />12 <br />