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PRESSURE VAGRM 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. Im <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 1/2 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 />Duratufll 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 Resource Board <br />Certified — CARS Approval <br />Letter #98-01 <br />♦ Underwriter's <br />Laboratory Listed U� <br />♦ Complies with NFPA 30 <br />Requirements — for venting gasoline <br />vapors upward. <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 />Orderina Specifications - <br />DPW 523 2" <br />Product No. <br />Description <br />Identification Label Color <br />523V-1100 <br />2" <br />8 oz pres., 1/2" vac. thread -on <br />Red <br />523V-1150 <br />2" <br />8 oz pres., '12" vac. slip-on <br />Red <br />523V-3100 <br />3" <br />8 oz pres., 112" vac. thread -on <br />Red <br />523V-3150 <br />3" <br />8 oz pres., 1/2" vac. slip-on <br />Red <br />523V-2300 <br />2" <br />12 oz pres., '12" vac. thread -on <br />Blue <br />523V-2350 <br />2" <br />12 oz pres., 112" vac slip-on <br />Blue <br />523V-3300 <br />3" <br />12 oz pres., 1/2" vac. thread -on <br />Blue <br />523V3350 <br />3" <br />11 oz pros., '12" vac. slip-on <br />Blue <br />523V-2200 <br />2" <br />1 oz pres., 1/2" vac. thread -on <br />Silver <br />523V-2250 <br />2" <br />1 oz pres., 1/2" vac. slip-on <br />Silver <br />523V-3200 <br />3" <br />1 oz pres., 112" vac. thread -on <br />Silver <br />523V-3250 <br />3" <br />1 oz pres., '/2" vac. slip-on <br />Silver <br />523V-2203 <br />2" <br />3"wc pros., 8" we vac. thread -on <br />Yellow <br />523V-2253 <br />2" <br />3" we pros., 8" we vac. slip-on <br />Yellow <br />523V-3203 <br />3" <br />3" we pres., 8" we vac. thread -on <br />Yellow <br />523V-3253 <br />3" <br />3" we pres., 8" we vac. slip-on <br />Yellow <br />523V -310L <br />3" <br />BSPP 8 oz. pres.'12" vac. thread -on <br />Red <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 <br />Body: aluminum <br />0 -ring: Buna-N <br />Ordering Specifications DPW 523A-1003 DPW 523SA-1003 <br />Product No. in. lbs. kg. Description <br />523A-1003 2" x 3" .47 .213 3" Thread -On Adaptor for use with 523V Pressure I Vacuum Vents <br />523SA-1003 2" x 3" .63 .286 3" Slip -On Adaptor for use with 523V Pressure 1 Vacuum Vents <br />523SA-1002 2" x 2" .31 .141 2" Slip -On Adaptor for use with 523V Pressure I Vacuum Vents <br />DPW 523SA-1002 <br />