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CC <br />46CS <br />- 41 <br />VAPOR VENTS <br />PRESSURE VACUUM VENT - A CARB-certified vent utilized for vapor recovery <br />applications. An internal pressure valve, which is set at 2" water column, plus or <br />minus 1" water column, restricts vapor escape during product drops. The pressurE <br />valve has a vacuum setting that does not exceed 1/2 oz. per square inch or 8" <br />water column of vacuum. The vent is designed to slip onto existing vent piping <br />and is held in place by three set screws. <br />Model # Weight (lbs) Height °> Width Pressure <br />46CS-2080 2'_3 I'— 2.0- ^ ��- 5'18' -] 411+' — 8 oz. <br />• Assures even pressure in the UST during filling or pumping <br />• All metal construction <br />• Flame-retardant 40 mesh bronze screen <br />• Conforms with NFPA-30 <br />• CARB-certified <br />BLOW OFF VENT - Provides venting to relieve excessive internal pressure build <br />up in the event of a fire or during filling above ground storage tanks. The <br />emergency vent will open at approximately 1 PSI. The mushroom design prevents <br />water and contaminants from entering the tank. <br />Model # <br />Size <br />Weight (lbs.) <br />Height .. <br />Width <br />48-40 <br />4' <br />18.8 <br />6" <br />7'/2' <br />48-60 <br />6" <br />30.0 <br />6' <br />10' <br />48-80 <br />8' <br />39.0 <br />6" <br />12'/2' <br />• Contains female threads <br />• Mounts onto the tank <br />• Non -corrosive polymeric coating <br />• Flame-retardant 40 mesh brass screen <br />• Conforms with NFPA-30A i A <br />MUSHROOM VENT - Designed for venting of underground storage tanks. The <br />mushroom -style prevents water and contaminants from entering vent lines. It <br />threads easily onto vent lines, and can be fit against flat walls or corners. <br />Model#� <br />Size., <br />` Weight,(Ibs.) <br />'. Height <br />Widths_ <br />41-15 <br />1'/z <br />0.9 <br />15/8 <br />- 3'h" <br />41-20 <br />2' <br />1.3 <br />2518" <br />4' <br />• Zinc -plated cast iron body <br />• Flame-retardant 40 mesh brass screen <br />• Conforms with NFPA-30A <br />7 <br />