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-OPRESSURE 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 rap and internal Mrs 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 521V 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"water40-Mesh Stainless Steel Wire Screen <br /> column noz vacuum settings are -Helps prevent debris and insects from <br /> factory preset <br /> t and tested. entering the tank vent lines. <br /> ♦Reliable Service-A self-guided poppet ` <br /> assembly ensures consistent seating of <br /> the pressurelvacuum valve. OPW 523V <br /> ♦Corrosion-Resistant Construction-A <br /> DuratufPcomposite body assures a Ordering Specifications <br /> long service life. Identification <br /> ♦Easy Installation-The 523V is available Product No. Description Label Color Ib. kg.l List Price <br /> in 2"and 3"threaded versions or slip-on 523V-1100 2' 6 oz pres.,'12'vac.lhreadon Red 1.65 -'.is'' $59.85 <br /> models that provide for attachment to 523V•1150 2" 8 oz Pres.,'/2"vac.sil"n Red 1.65 .75 $79.10 <br /> the vent line with alien head screws and 523V-3100 r 8 oz pres.,'12'vac.thread-on Red 3.2 1.45 $93.40 <br /> radial sealing"0-ring°. 523V•3150 3" 8ozpres.,'12"vac.slip-on Red 3.2 1.45 $89.80 <br /> ♦California Air Resources Board 523V-2300 2' 12 oz pres.,'h"vac.lhreadon Blue 1.65 .75: $59.85 <br /> Certified-CARB Approval 523K2360 r 12 oz pres.,'12'vac slip-on Blue 1.65 .Ts' $79.10 <br /> Letter#98-01 <br /> 523V3300 3" 12 oz pros.,'12"vac.thread-on Blue 3.2 1.45: $93.40 <br /> ♦Underwriters UI 523K3350 3" 12 oz pres.,'12"vac.slip-on Blue 3.2 1.45 1 $89.80 <br /> Laboratory Listed L <br /> 523V•2200 2' 1 oz Pres.,'if vac.thread-on Silver 1.65 ' .78: $70.55 <br /> ♦Complies with NFPA 30 523V-2250 2" 1o pres.,'12"vac.slip-on Silver 1.65 .75.. $89.80 <br /> Requirements-for venting gasoline <br /> vapors upward. 523V•3200 3" 1 az pres.,'Iz"vac.Mreadon Silver 3.1 1.451 $94.10 <br /> 523V-3250 3" 1 oz Pres..'12"vac.slip•on Silver 3.2 $100.45 <br /> Conversion Table 523V-2203 2" 3"wc pros.,8"wc vas.thread-on Yenow 1.65 $70.53 <br /> 523V-2253 2" 3"we Pres.,8"we vac,sllp•on Yellow 1.65 $89.80 <br /> Measurementin In 523V•3203 3" 3"we pres.,8"we vac.thread-on Yellow 3.2 $94.10 <br /> Units - Oz. PSI H2O C MercHg Bar <br /> Bar x 236.0 14.5 401.4 29.53 523K3263 3" 3'we Pres.,8'we vac.slipon Yellow 3.2 $100.45 <br /> In.H (Mercury) x 7.843 0.49 13.6 1 10.034 523V310L 3" SSPP Boz.pres.'if vac.Btreadon Red 32 $83.10 <br /> In H2O we z 0.578 0.04 1 0.074 10.1102 <br /> PSI x 16.00 27.68 2.04 0.069 <br /> Oz. x 0.063 1.73 0.128 0.004 <br /> e523V 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 /> OPW 523SA OPW 523SA <br /> Ordering Specifications (Bottom View) (Tap View) <br /> Product No. in. mm. lbs. kg. Description List Price <br /> 523A4003 2"x 3" 51 x 76 .47 .213 3"Thread-On Adaptor for use with 523V Pressure I Vacuum Vents $26.70 <br /> 523SA•1003 2"x 3" 51 x 76 .63 --.286 3'Slip-On Adaptor for use with 523V Pressure I Vacuum Vents $33.15 <br /> 523SA-1002 2"x 2" 51 x06 .31 .141 2"Slip-On Adaptor for use with 523V Pressure I Vacuum Vents $22.45 <br />