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Pressure Vacuum Vents are installed on tete tnp of vent pipes from underground or above- <br />ground fuel storage tanks, The vent cap and internal wire screen are designed to protea <br />the tank vent lines against intrusion and blockage from water, debris or insects. A normally <br />dosed poppet in the valve opens at a predetermined pressure or vacuum selling to allow <br />the tank to vent. <br />OPW 623V Pressure Vacuum Vent Features: <br />♦ PressureNacuum getting — <br />3" water column pressure settings and <br />8" water column vacuum settings are <br />factory preset and tested. <br />+ Reliable Service — Cycle tested to the <br />equivalent of 80 years of service in the <br />most severe environment without <br />leakage problems. <br />♦ Corrosion -Resistant Construction — A <br />Duratuff° composite body assures a <br />long service life. <br />♦ Easy Installation — The 623V is availWe <br />in 2" and 3" threaded versions, <br />4 California Air Resources Board - <br />Certified <br />+ EVR-Certified <br />rM• Underwriters L <br />Laboratory Listed <br />* Complies with NFPA 30 <br />Requirements — for venting gasoline <br />vapors upward. <br />® High Maximum Flow Rate — 6450 <br />SCFH at 2 psi pressure drop. <br />♦ Manifold Vent Pipes — Vent pipes may <br />be manifoided to produce a single <br />Pressure Vacuum Vent line. The 623V <br />exceeds California's requirements of a <br />maximum vapor leak rate of 0.17 SCFH <br />at 2.00 inches H,0 <br />♦ Leak Rate — Multiple pressure vacuum <br />vents may be installed on a single site. <br />The 623V exceeds Califomia standards <br />with a leak rate of 0,05 SCFH or less at <br />2.00 inches HO. <br />i Maintenance — No tools required. A <br />removable snap fit top allows for easy <br />maintenance (recommended yearly). <br />♦ 100 - Mesh Stainless Steel Wire <br />Screens — Helps prevent debris and <br />insects from entering the tank vent <br />lines. An added screen installed at the <br />base prevents debris from intruding <br />from the vent stack. <br />+ Adaptor Bushing — Removable Hex <br />threaded bushing designed for easy <br />installation on NPT threaded risers. <br />AllOws easy access to lower screen. <br />Conversion Table 21 <br />q <br />5teasum"d J:: In HA In Ng G881s>p[3;- <br />units Ox, Psi 1�rc asrm.a,,m�.+ <br />DK—: 23LA i41 401.a FW3 <br />In. x I B49 0.19 13.6-1-0.034 Pant No. w02ODWD380WAZ <br />In 1420 two) x Un 0,04iN 0.002 <br />PSI x I WT 2.04 0M <br />oz x e 5a3 1.73 o.t28 0.�4 <br />Replacement Parts Ordering peciiicatiens <br />Part Nurr&r <br />D aMpuon <br />cosm <br />Loa r Screen <br />H14M <br />upper screen <br />0050" _ <br />— <br />2" Threaded Base Adaptw <br />CM122 <br />3" Thmadmi One Adaptor <br />cosim <br />05mch f& Poly. llem <br />rOPW 623V <br />IdwiliftWon <br />Product No, p!Jan _ Label Color Ib. kg. <br />.•....,`WV= 2" 3" w c pm., 8" wrc Y= thread -on Yeilow 1.55 .70 <br />SM -5203 3" 3" rrc prw, r we vac. thread -*n Yellow 2,20 1:00 <br />Materials <br />Top/Body: polypropylene <br />Base: anodized aluminum <br />Poppet: anodized aluminum <br />Screen: stainless steel mesh <br />Gasket: closed cell foam <br />0 Coovdaht 2005.OPw Fru±lknn Cnmrmnoniro <br />I T 39Vd 'OD W 83d8VH ' a -13I HS <br />0688ZLE9T6T bT:ST 500Z/60/ZO <br />13 <br />0 <br />