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PRESSURE VACUUM VENTS AND ADAPTORS <br />Pressure Vacuum Vents are installed on the top of vent pipes from underground or aboveground <br />fuel storage tanks. The vent cap and internal wire screen are designed to protect the tank vent <br />lines against intrusion and blockage from water, debris or insects. A normally closed poppet in <br />the valve opens at a predetermined pressure or vacuum setting to allow the tank to vent. <br />OPW 523V Pressure Vacuum Vent Features: <br />♦ A Variety of Pressure[Vacuum <br />Settings - 3" water column, 1 oz., 8oz., <br />12oz. pressure settings and 8" water <br />column or '/2 oz vacuum settings are <br />factory preset and tested. <br />♦ Reliable Service -A self -guided poppet <br />assembly ensures consistent seating of <br />the pressure/vacuum valve. <br />♦ Corrosion -Resistant Construction -A <br />Duratuffa composite body assures a <br />long service life. <br />♦ Easy Installation -The 523V is available <br />in 2" and 3" threaded versions or slip-on <br />models that provide for attachment to <br />the vent line with allen head screws and <br />radial sealing "0 -ring". <br />♦ California Air Resources Board <br />Certified - CARB Approval <br />Letter #98-01 <br />♦ Underwriters UL <br />Laboratory Listed • <br />♦ Complies with NFPA 30 <br />Requirements -for venting gasoline <br />vapors upward. <br />Conversion Table <br />♦ High Maximum Flow Rate - 7000 <br />SCFH at 2 psi pressure drop. <br />♦ 40 -Mesh Stainless Steel Wire Screen <br />- Helps prevent debris and insects from <br />entering the tank vent lines. <br />Measurement in H2O In Hg <br />Units - Oz. PSI C) I (Merc) Bar <br />Bar <br />x <br />236.0 <br />14.5 <br />401.4 <br />29.53 <br />2" 8 oz pres., 112" vac. thread -on <br />In. H (Mercury)x <br />1.65 <br />7.943 <br />0.49 <br />13.6 <br />2" 8 oz pres., 112" vac. slip-on <br />0.034 <br />In H2O we <br />x <br />0.578 <br />0.04 <br />3" 8 oz pres., 112" vac. thread -on <br />0.074 <br />0.002 <br />PSI <br />x <br />16.00 <br />3" 8 oz pres., 112" vac. slip-on <br />27.68 <br />2.04 <br />0.069 <br />Oz. <br />x <br />2" 12 oz pres., 112" vac. thread -on <br />0.063 <br />1.73 <br />0.128 <br />0.004 <br />Ordering Specifications <br />irl""riti-n�n <br />OPW 523V <br />Product No. <br />Description <br />Label Color <br />Ib. <br />kg. <br />List Price <br />523V-1100 <br />2" 8 oz pres., 112" vac. thread -on <br />Red <br />1.65 <br />.75 <br />$59.85 <br />523V-1150 <br />2" 8 oz pres., 112" vac. slip-on <br />Red <br />1.65 <br />.75 <br />$79.10 <br />523V-3100 <br />3" 8 oz pres., 112" vac. thread -on <br />Red <br />3.2 <br />1.45 <br />$83.40 <br />523V3150 <br />3" 8 oz pres., 112" vac. slip-on <br />Red <br />3.2 <br />1.45 <br />$89.80 <br />523V-2300 <br />2" 12 oz pres., 112" vac. thread -on <br />Blue <br />1.65 <br />.75 <br />$59.85 <br />523V-2350 <br />2" 12 oz pres., 112" vac slip-on <br />Blue <br />1.65 <br />.75 <br />$79.10 <br />523V-3300 <br />3" 12 oz pres., 1/2" vac. thread -on <br />Blue <br />3.2 <br />1.45 <br />$83.40 <br />523V-3350 <br />3" 12 oz pres., 1/2" vac. slip-on <br />Blue <br />3.2 <br />1.45 <br />$89.80 <br />523V-2200 <br />2" 1 oz pres.,'12'vac. thread -on <br />Silver <br />1.65 <br />.75 <br />$70.55 <br />523V-2250 <br />2" 1 oz pros., 1/2" vac. slip-on <br />Silver <br />1.65 <br />.75 <br />$89.80 <br />523V-3200 <br />3" 1 oz pres., 112" vac. thread -on <br />Silver <br />3.2 <br />1.45 <br />$94.10 <br />523V-3250 <br />3" 1 oz pres., 112" vac, slip-on <br />Silver <br />3.2 <br />1.45 <br />$100.45 <br />523V-2203 <br />2" 3"wc pres., 8" we vac. thread -on <br />Yellow <br />1.65 <br />.75 <br />$70.55 <br />523V-2253 <br />2" 3" we pres., 8" we vac. slip-on <br />Yellow <br />1.65 <br />.75 <br />$89.80 <br />523V-3203 <br />3" 3" we pres., 8" we vac. thread -on <br />Yellow <br />3.2 <br />1.45 <br />$94.10 <br />523V-3253 <br />3" 3" we pres., 8" we vac. slip-on <br />Yellow <br />3.2 <br />1.45 <br />" $100.45 <br />523V -310L <br />3" BSPP 8 oz. pres. 1/2" vac. thread -on <br />Red <br />3.2 <br />1.45 <br />$83.40 <br />523V SERIES ADAPTOR BUSHINGS <br />The 523V Series Adaptor Bushings are designed to thread into the base of 2" <br />threaded 523V vents. The adaptor bushings convert a 2" 523V to 3" threaded, 2" <br />slip-on or 3" slip-on connection. <br />Materials fi <br />Body: aluminum <br />0 -ring: Buna-N <br />Ordering <br />Product No. <br />Specifications <br />in. mm, <br />lbs. <br />kg. <br />OPW 523SA OPW 523SA <br />(Bottom View) (Top View) <br />Description <br />List Price <br />523A-1003 <br />2" x 3" <br />51 x76 <br />.47 <br />.213 <br />3" Thread -On Adaptor for use with 523V Pressure I Vacuum Vents <br />$26.70 <br />523SA-1003 <br />2" x 3" <br />51 x 76 <br />.63 <br />.286 <br />3" Sllp-On Adaptor for use with 523V Pressure I Vacuum Vents <br />$33.15 <br />523SA-1002 <br />2" x 2" <br />51 x 76 <br />.31 <br />.141 <br />2" Slip -On Adaptor for use with 523V Pressure I Vacuum Vents <br />$22.45 <br />