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T_ <br />11 <br />0P.W VAP,R <br />OPEN VENT <br />OPW 23 <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. oz. kg. Description <br />23-0044 1'/2" 38 3.8 .11 open vent <br />23-0033 2" 51 4.3 .12 open vent <br />23-0055 3" 76 5.0 .14 open vent <br />Replacement Parts <br />Part No. <br />Description <br />H -00122-M <br />Screw _ <br />H-01967 <br />Nut <br />H-01969 <br />Screen <br />V E N T S <br />PRESSURE VACUUM VENTS <br />The OPW 523 and 523S Pressure Vacuum Vents maintain the required pressure in <br />the storage tank to prevent vapor loss. <br />OPW 523 <br />The OPW 523 Pressure Vacuum <br />Vents discharge upward and are avail- <br />able with a 8 oz. or 12 oz. pressure set- <br />ting and a %: oz. vaccuum setting. Now <br />available in corrosion resistant <br />Duratuff', the OPW 523 comes in 2" <br />and 3" sizes and has a thread -on con- <br />nection. The rated maximum flow rate <br />is 7000 SCFH at 2 PSI pressure drop. <br />The OPW 523 is UL listed and com- <br />plies 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 allan <br />screws and a radial sealing `b" ring. <br />This product is available in 2" and 3" <br />sizes. The rated maximum flow rate is <br />7000 SCFH at 2 PSI pressure drop. <br />The OPW 523S is UL listed and <br />complies with NFPA Code 30. <br />Materials <br />Body and Cap: Durotuff® <br />Screen and Fasteners: stainless steel <br />Seat Ring: anodized aluminum <br />Adaptor: 2" - aluminum <br />3" - aluminum <br />5235 2" <br />5235 3" <br />Ordering Specifications <br />Product No. <br />in. <br />mm. <br />ozs. <br />kgs. <br />Description Idabeficatio <br />l (olor <br />5231100 <br />2" <br />51 <br />12 <br />------------ <br />34 <br />8 oz pres., IN vac. thread -on <br />red <br />52351150 <br />2" <br />51 <br />12 <br />34 <br />8 oz pres., )/2" vac. slip-on <br />red <br />k-3-31 00 <br />3" <br />76 <br />35 <br />10 <br />8 oz pres 1/2" vac. thread -on <br />red_ <br />5235-3150 <br />3" <br />76 <br />35 <br />1.0 <br />8o res., 1/2" vac. slip-on <br />red <br />523-2300 <br />2" <br />51 <br />12 <br />.34 <br />12 oz pres.,1/2" vac. thread -on <br />blue <br />5235 2350 <br />2" <br />51 <br />12 <br />.34 <br />12 oz pres., 1/2" vac. slip on <br />blue <br />523-3300 <br />3" <br />76 <br />35 <br />10 <br />12 oz pres., 1/2" vac. thread on <br />blue <br />blue <br />5235-3350 <br />3" <br />76 <br />35 <br />1.0 <br />12 oz pres., 1/211 vac. slip-on <br />O Telephone: (513) 870.3219 • (800) 422-2525 • <br />Fax: (513) 870.9186 • (800) 421-3297 <br />Printed in USA • TFVENTS • 3/96 <br />m <br />-- <br />EUE4NO CEO�- <br />♦ OOVER RESOURCES COM—©1991 OPW Fueling (omponents • P.O. Box 405003 • Cincinnati, OH 45240-5003 <br />• <br />