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The OPW 23 is an open vent and <br />directs vapors upward in accordance with <br />NFPA Code 30. This vent features an <br />aluminum body and a 40 -mesh brass <br />screen. Set screws make installation easy. <br />Materials <br />Body: aluminum <br />Screen: 40 -mesh brass <br />Set Screws: brass <br />Ordering Specifications <br />Product No. in. <br />mm. Description <br />23-0044 1'/2" <br />38 open vent <br />23-0033 2" <br />51 open vent <br />23-0055 3" <br />Replacement Parts <br />76 open vent <br />Part No. <br />Description <br />H-001 22-M <br />Screw <br />H-01967 <br />Nut <br />H-01969 <br />Screen <br />4C> FP AfV <br />A""YENNESOV SCOMPANY <br />PRESSURE VACUUM VENTS <br />The OPW 523 and 523S Pressure Vacuum Vents maintain the required pressure in <br />the UST to prevent vapor loss. <br />3�' <br />The OPW 523 Pressure Vacuum <br />Vents discharge upward and are avail- <br />able with a 1 oz., 8 oz. or 12 oz. pres- <br />sure setting and a %2 oz. vaccuum <br />setting. Now available in corrosion <br />resistant Duratuff, the OPW 523 <br />comes in 2" and 3" sizes and has a <br />thread -on connection. The rated maxi- <br />mum flow pressure drop is 2 psi at <br />7000 SCFH. The OPW 523 is UL listed <br />and complies with NFPA code 30. <br />523 2" <br />523 3" <br />OPW 523S <br />The OPW 523S Pressure Vacuum <br />Vent is similar to the 523 except that it <br />is attached to the vent line with clamps <br />for the 2" and set screws for the 3". The <br />rated maximum flow pressure drop is 2 <br />psi at 7000 SCFH. The OPW 523S is <br />UL listed and complies with NFPA <br />code 30. <br />Materials <br />Body and Cap: Duratuff <br />Screen and Fasteners: stainless steel <br />Seat Ring: anodized aluminum <br />Adaptor: 2" - DuratuW <br />3" - ZA-12 alloy <br />Ordering Specifications <br />Product No. <br />in. <br />mm. <br />Description <br />523LP-2200 <br />2" <br />51 <br />1 oz. with threads <br />523LPS-2250 <br />2" <br />51 <br />1 oz. with set screws <br />523LP-3200 <br />3" <br />76 <br />1 oz. with threads <br />523LPS-3250 <br />3" <br />76 <br />1 oz. with set screws <br />523-1100 <br />2" <br />51 <br />Boz. with threads <br />5235-1150 <br />2" <br />51 <br />Boz. with set screws <br />523-3100 <br />3" <br />76 <br />Boz. with threads <br />5235-3150 <br />3" <br />76 <br />8oz. with set screws <br />523-2300 <br />2" <br />51 <br />12oz. with threads <br />5235-2350 <br />2" <br />51 <br />12oz. with set screws <br />523-3300 <br />3" <br />76 <br />12oz. with threads <br />5235-3350 <br />3" <br />76 <br />12oz. with set screws <br />5235 2" <br />P.O. Box 405003 ® Gncinnati, Ohio 45240.5003 ® Telephone: (513) 810-3119 ®(800) 422.2525 ® Fax: (800) 421-3291 <br />© (opyright 1992 DPW Fueling (omponents/A Dover Resources Company, Printed In USA 9/92 <br />