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OPW Ball Float inspection Reference Material <br /> r+ Tanknology P <br /> The 30MV series is designed to meet EPA's requirement to notify the delivery driver of an overfill 30 minutes prior <br /> to the overfill occuring. <br /> The 30MV will have a 1/16 inch breather hole. <br /> The 53V series is designed to alert the driver of an overfill by restricting flow when the tank reaches 90% of the <br /> liquid capacity. The 53V will have a 1/8 inch breather hole. <br /> Specifying the Proper Length 53V Ball Float <br /> • Step 1: <br /> Determine Dimension"X": Consult the tank chart(provided by the tank manufacturer)to determine the distance that <br /> corresponds to 10%of the total tank capacity <br /> • Step 2: <br /> Determine Dimension"Y": Measure the dimension from the inside top of the tank to the top of the 4"threaded tank <br /> "bung"fitting. <br /> • Step 3: <br /> Add measurements "X"and "Y".Then subtract 1/4"and round up to the nearest length ball float. <br /> Specifying the Proper Length 30MV Ball Float <br /> • Step 1: <br /> Determine Dimension"X": Consult the tank chart(provided by the tank manufacturer)to determine the distance that <br /> corresponds to 308 gallons. <br /> • Step 2: <br /> Determine Dimension"Y": Measure the dimension from the inside top of the tank to the top of the 4"threaded tank <br /> "bung"fitting. <br /> • Step 3: <br /> Add measurements"X"and"Y".Then subtract 1/4"and round up to the nearest length ball float. <br /> 46— <br /> b <br /> OPN 30'nr„•y <br /> •almg.a.r..... <br /> nage 111-rcr <br /> aaac+er me <br /> Tank Manway Mounted Extractoi Tank Top Mounted Extractor <br /> r..aw 1 2':(f%R OPW 111211”II <br /> ---- - _ _ _ - Oo•6 ti0K Me.3t, rn <br /> '- ' • ive a 1.5 ncn vex.e• <br /> I1Rw 1711T VaM C Woody RUbw <br /> R... V Cap Re-"Cop <br /> Up"lfill san< r.o<L.rnr.r. I {� GMNVSAINF{YR <br /> . w"ttae� htw Rsswry&AN-r. <br /> urw 4J4 xrr< T <br /> t.nauw rm�" i <br /> �rT-a OWIM{Oaw. <br /> Cw s,uu xw Caw$JVW JOW <br /> 1 hr ,,.• •, .� tl✓11"Vrl 141, ice• <br />