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OPW VAPf#R VENTS <br />' PRESSURE VACUUM VENTS <br />The OPW 523 Series Pressure Vacuum Vents maintain the required pressure <br />in the storage tank to prevent vapor loss. They are made of corrosion resistant <br />Duratufl°. The OPW 523 comes with 2" or 3" connections. The rated maximum <br />flow rate is 7000 SCFH at 2 PSI pressure drop. The OPW 523 Series is UL <br />listed and complies with NFPA code 30. <br />The OPW 523 Pressure Vacuum <br />Vents discharge upward and are avail- <br />able with a 8 oz. or 12 oz. pressure <br />setting and a % oz. vacuum setting. <br />The OPW 5235 Pressure Vacuum <br />Vent is similar to the 523 except that <br />it is attached to the vent line with allan <br />screws and a radial sealing "o" ring. <br />This product is available in 2" and <br />3" connections. <br />The OPW 523LP Pressure Vacuum <br />Vent is similar to the 523 except that it <br />is designed with low pressure settings. <br />The 3" w.c. pressure, 8" w.c. vacuum <br />version is CARB approved for most <br />vacuum assist vapor recovery systems. <br />Also available is a 1 oz. pressure, % oz. <br />vacuum version. These products are <br />available in 2" and 3" connections with <br />slip on versions designated as 523LPS. <br />Ordering Specifications - 2" (51 mm.) 12oz..34kgs <br />Product No. Description Identification <br />Label Color <br />523-1100 8 oz pres., /2 oz. vac. thread -on r <br />523S-1150 8 oz ores.. 1/2 oz. vac. slip-on rad <br />Hca-csuu <br />I L oz pres., 1/2 oz. vac. thread -on <br />blue <br />5235-2350 <br />12 oz pres., 1/2 oz. vac. slip-on <br />blue <br />523LP-2200 <br />1 oz. pres., 1/2 oz. vac. thread -on <br />silver <br />523LPS-2250 <br />1 oz. pres., 1/2 oz. vac. slip-on <br />silver <br />3 ` <br />3" we pres., 8"wc vac. thread -on <br />yellow <br />523LPS-2253 <br />3"wc pres., 8"wc vac. slip-on <br />yellow <br />Ordering Specifications - 3" (76mm.) 35oz. 1.0kgs <br />Product No. Description Identification <br />Label (olor <br />523-3100 8 oz pres., 1/2 oz. vac. thread -on red <br />523S-3150 8 oz Pres., 1/2 oz. vac. slip-on red <br />523-3300 <br />12 oz Pres., 1/2 oz. vac. thread -on <br />blue <br />5235-3350 <br />12 oz pres., 1/2 oz. vac. slip-on <br />blue <br />523LP-3200 <br />1 oz. pres., 1/2 oz. vac. thread -on <br />silver <br />523LPS-3250 <br />1 oz. pres., l/2 oz. vac. slip-on <br />silver <br />523LP-3203 <br />3" we pres., 8"wc vac. thread -on <br />yellow <br />523LPS-3253 <br />3"wc pres., 8"wc vac. slip-on <br />yellow <br />DPW 523 2" <br />Replacement Parts <br />DPW 523 <br />H -1 1480-M Set screws (3) - 523, 5235 3" <br />Body and Cap: Duratuff® <br />Screen and Fasteners: stainless steel <br />Seat Ring: anodized aluminum <br />Adaptor: 2" - aluminum <br />3" - aluminum <br />CDO FW ® Telephone: (513) 870.3219 ® (800) 422.2525 ® Fax: (513) 870.9186 ® (800) 421-3297 <br />01999 OPW Fueling Components ® P.O. Box 405003 ® Cinrinnati, Ohio 45240-5003 0 Printed In USA ® THENTS ® 2/99 <br />a <br />Part No. <br />Description <br />—H-1 1433-M <br />Nuts (2) - 523 2" <br />H -1 1434-M <br />Screws (2) - 523S 2" <br />H-1 1432-M <br />0 -ring (2") <br />H-1 1456-M <br />0 -ring (3") <br />H-1 1512-M <br />Cap screws (2) - All <br />H-1 1429-M <br />Screen - All <br />H -1 1480-M Set screws (3) - 523, 5235 3" <br />Body and Cap: Duratuff® <br />Screen and Fasteners: stainless steel <br />Seat Ring: anodized aluminum <br />Adaptor: 2" - aluminum <br />3" - aluminum <br />CDO FW ® Telephone: (513) 870.3219 ® (800) 422.2525 ® Fax: (513) 870.9186 ® (800) 421-3297 <br />01999 OPW Fueling Components ® P.O. Box 405003 ® Cinrinnati, Ohio 45240-5003 0 Printed In USA ® THENTS ® 2/99 <br />