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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 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"water a 40-Mesh Stainless Steel Wire Screen <br /> column or V2 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 <br /> assembly ensures consistent seating of OPW 523V <br /> the pressure/vacuum valve. <br /> 4 Corrosion-Resistant Construction-A <br /> Duratuf*composite body assures a Ordering Specifications <br /> long service life. Identification <br /> ®Easy Installation-The 523V is available Product No. Description Label Color Ib. List Price <br /> in 2"and 3"threaded versions or slip-on 523V-1100 2" s oz pros.,'if vac.thread-on Red 1.65 $59.85 <br /> models that provide for attachment to 523V-1150 2" 8 oz pres.,'If vac.slip-on Red 1.65 $79.10 <br /> the vent line with alien head screws and 523V-3100 3" 8 oz pros.,'If vac.thread-on Red 3.2 & S83.40 <br /> radial sealing"0-ring". 523x3150 3" 8 oz pres.,1/2"vac.slip-on Red 3.2 $89.80 <br /> *California Air Resources Board 523V-2300 2" 12 oz pros.,112"vac.thread-on Blue 1.65 $59.85 <br /> Certified-CARB Approval 523V-2360 2" 12 oz pres.,112"vac slip-on Blue 1.65 $79.10 <br /> Letter#98-01 523V-3300 3" 12 oz pres.,112"vac.thread-on Blue 3.2 $83.40 <br /> ♦Underwriters ul 523V-3350 3" 12 oz pres.,112"vac.slip-on Blue 3.2 $89.80 <br /> Laboratory Listed ® 523V-2200 2" 1 oz pres.,'12"vac.thread-on Silver 1.65 $70.55 <br /> ♦Complies with NFPA 30 523V-2250 2" 1 oz pres.,112"vac.slip-on Silver 1.65 $89.80 <br /> Requirements-for venting gasoline 523V-3200 3" 1 oz pros.,112"vac.thread-on Silver 3.2 $94.10 <br /> vapors upward. <br /> 523V•3250 3" 1 oz pres.,lb"vac.slip-on Silver 3.2 $1100.45 <br /> Conversion Table 523V-2203 2" 3"wc pres.,8"wc vac.thread-on Yellow 1.65 $70.55' <br /> 523V-2253 2" 3"we pres.,8"we vac.slip-on Yellow 1.65 $89.80 <br /> Measurement in H2O In Hg 523V-3203 3" 3"we pres.,8"we vac.thread-on Yellow 3.2 $94.10 <br /> Units = Oz. PSI C Marc Bar <br /> Bar x 236.0 14.5 401.4 29.53 523V-3253 3" 3"we pres.,8"we vac.slip-on Yellow 3.2 $100.45 <br /> In.H (Mercury) x 7.843 0.49 13.6 0.034 523V-310L 3" BSPP 8 oz.pros.112"vac.thread-on Red 3.2 $83.40 <br /> In H2O we x 0.578 0.04 0.074 0.002 <br /> PSI x 16.00 27.68 2.04 0.069 <br /> Oz. x 0.063 1.73 0.128 1 0.004 <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 12"523V to 3"threaded,2" <br /> slip-on or 3"slip-on connection. <br /> I+IP�r,`I,�4`ff�19�iii 1 i4°�P�y <br /> Materials <br /> Body: aluminum <br /> 0-ring: Buna-N <br /> OPW 523SA OPW 523SA <br /> Ordering Specifications (Bottom View) (Top View) <br /> Product No. in. mm. lbs. kg. Description List Price <br /> 523A-1003 2"x 3 .47 3"Thread-On Adaptor for use with 523V Pressure I Vacuum Vents $26.70 <br /> 1. <br /> 523SA-1003 2"x 3 .63 3"Slip-On Adaptor for use with 523V Pressure I Vacuum Vents $33.15 <br /> 523SA-1002 2"x 2 .31 2"Slip-On Adaptor for use with 523V Pressure I Vacuum Vents $22.45 <br />