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0 <br />OPW 23 Series Open <br />Atmospheric Vent <br />Open Atmospheric Vents are installed on <br />the top of vent pipes from underground <br />or above ground fuel storage tanks. <br />The vent cap and internal wire screen <br />are designed to protect the tank vent <br />lines against intrusion and blockage <br />from water, debris or insects. These <br />vents are always open to atmosphere <br />and allow any pressure or vacuum in the <br />tank to vent. The OPW 23 Series is a <br />perfect choice for many applications. <br />r, <br />�:Aw <br />128 <br />3„ <br />92mm <br />Body: Aluminum <br />Screen: 40 -mesh brass <br />Set Screws: Brass <br />Reliable Service — vent cap drain <br />spouts extend outward to deter <br />rainwater entry. <br />® Corrosion -Resistant Construction — <br />aluminum body and cap assure a long <br />service life. <br />® Easy Installation — the 23 is available <br />in 2" and 3" slip-on models that provide <br />for attachment to the vent line with set <br />screws. <br />Ordering Specifications <br />Product # Description <br />in. mm lbs, kg <br />23.0044 Open Vent <br />111z 38 .25 <br />.11 <br />23.0033 Open Vent <br />2 51 .25 <br />.11 <br />23.0055 Open Vent <br />3 76 1.6 <br />.73 <br />23 <br />!► Complies with NFPA 30 Requirements — <br />for venting gasoline vapors upward. <br />High Maximum Flaw Rate — 7000 <br />SCFH at 2 psi (0.1 bar) pressure drop. <br />40 -Mesh Brass Wire Screen — helps <br />prevent debris and insects from <br />entering the tank vent lines. <br />Replacement Parts <br />Part # Description <br />H00122M Screw <br />H01967M Nut <br />H01969M Screen <br />