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OPW VAV#OR VENTS <br />OPEN VENT <br />.i <br />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. mm. Description <br />14 _23-0044 1'/," 38 open vent <br />23-0033 2" 51 open vent <br />23-0055 3" 76 open vent <br />Replacement Parts <br />Part No. <br />Description <br />51 <br />-- <br />523LPS-2250 <br />Nut <br />_H-01967 <br />H-01969 <br />_ <br />Screen <br />Aso <br />F <br />PRESSURE VACUUM VENTS <br />The OPW 523 and 5235 Pressure Vacuum Vents maintain the required pre. <br />the UST to prevent vapor loss. <br />C)PIII * 523 <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 / 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 />o <br />The OPW 523S Pressure Vacut <br />Vent is similar to the 523 except <br />is attached to the vent line with c: <br />for the 2" and set screws for the <br />rated maximum flow pressure dre <br />psi at 7000 SCFH. The OPW 52= <br />UL listed and complies with NFP <br />code 30. <br />Materials <br />Body and Cap: Duratuff' <br />Screen and Fasteners: stainless steel <br />Seat Ring: anodized aluminum <br />Adaptor: 2" - Duratuff' <br />3" - ZA-12 alloy <br />Ordering Specifications <br />Product No. in. mm. Descriptio- <br />523LP-2200 <br />2" <br />51 <br />1 oz. with thr <br />523LPS-2250 <br />2" <br />51 <br />1 oz. with set <br />523LP-3200 <br />3" <br />76 <br />1 oz. with thr: <br />523LPS-3250 <br />3" <br />76 <br />1 oz. with set <br />523-1100 <br />2" <br />51 <br />Boz. with thre <br />5235-1150 <br />2" <br />51 <br />Boz. with set s <br />523-3100 <br />5235-31 SO <br />3" <br />3" <br />76 <br />76 <br />8oz. with thre <br />8oz. with set <br />523-2300 <br />51 <br />12oz. with th <br />_2" <br />5235-2350 <br />5 2 -3 -* 3-3- -0 0 <br />2" <br />3" <br />51 <br />76 <br />12oz. with se - <br />e-523-3300 <br />12oz. with thr <br />523S-3350 3" 76 12oL with set <br />5235 2" <br />4C), F3VV <br />I 001En AFSCUt ESCO­ P.O. Box 405003 • Cincinnati. Ohio 45240.5003 • ieieonone: (513) 810.3219 • (800) 422.2525 • Fax: (800) 42q�q� _ <br />Copyright 1992 OP`A Fueiina Comoonents/A Dover Resources Comoonv. Printed In USA <br />