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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 /> DPW 523V Pressure Vacuum Vent Features: <br /> ♦ A Variety of Pressure/Vacuum ♦ High Maximum Flow Rate—7000 <br /> Settings—3"water column, 1 oz., 8oz., SCFH at 2 psi pressure drop <br /> 12oz. pressure settings and 8"water ♦ 40-Mesh Stainless Steel Wire Screen <br /> column or'12 oz vacuum settings are —Helps prevent debris and insects from <br /> factory preset and tested. entering the tank vent lines <br /> ♦ Reliable Service—A self-guided poppet OPW 523 2" <br /> assembly ensures consistent seating of <br /> the pressure/vacuum valve. <br /> ♦ Corrosion-Resistant Construction—A Ordering Specifications - <br /> Duratuff•composite body assures a Product No. Description Identification Label Color <br /> long service life. 523V-1100 2" 8 oz pres.,'/2"vac.thread-on Red <br /> ♦ Easy Installation—The 523V is available 523V•1150 2" Boz pres., 12"vac.slip-on Red <br /> in 2"and 3"threaded versions or slip-on 513V•3100 3" 8 oz pres.,'/2"vac.thread-on Red <br /> models that provide for attachment to P <br /> the vent line with allen head screws and 523V-3150 3" 8 oz pres., 'h"vac.slip-on Red <br /> radial sealing "0-ring". 523V•1300 2" 12 oz pres., 'l:"vac.thread-on Blue <br /> ♦ California Air Resource Board 523V-2350 2" 12 oz pres.,'/2"vac slip-on Blue <br /> Certified CARB Approval <br /> Letter#98-01 523V-3300 3" 12 oz pres.,'h"vac.thread-on Blue <br /> ♦ Underwriter's <br /> 523V•3350 3" 12 oz pres.,'/2"vac.slip-on Blue <br /> Laboratory Listed U� 523V-2200 2" 1 oz pres.,'/2"vac.thread-on Silver <br /> ♦ Complies with NFPA 30 513V•2250 2" 1 oz pres., 72"vac.slip-on Silver <br /> Requirements—for venting gasoline 523V•3200 3" 1 oz pres.,'/2"vac.thread-on Silver <br /> vapors upward. 523V-3250 3" 1 oz pres.,'/2"vac.slip-on Silver <br /> 523V-2203 2" 3"wc pres.,8"we vac.thread-on Yellow <br /> 523V-2153 2" 3"we pres.,8"we vac.slip-on Yellow <br /> 523V•3103 3" 3"we pres.,8"we vac.thread-on Yellow <br /> 523V-3253 3" 3"we pres.,8"we vac. slip-on Yellow <br /> 513V-310L 3" BSPP 8 oz.pres.'12"vac.thread-on 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 /> 4L <br /> Body: aluminum _ <br /> 0-ring: Buna-N <br /> Ordering Specifications OPW 523A-1003 OPW 523SA-1003 OPW 523SA-1002 <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 />