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X <br /> N <br /> O <br /> N <br /> N <br /> VENT VALVE f <br /> (SUPPLIED BY INSTALLER)/ <br /> AR BREATHER ASM. <br /> AIR(IN/OUT) <br /> P/N 9948 <br /> 12'MINIMUM <br /> SUPPORT AIR BREATHER PIPE ABOVE GRADE <br /> VERTICALLY WITH THE VENT LINE n <br /> SUPPORT SYSTEM OR ITS OWN CD <br /> SUPPORT SYSTEM (DETERMINED BY <br /> INSTALLER)TO MEET LOCAL CODES. <br /> D <br /> cn <br /> 0 <br /> PLUG O j1 <br /> FLOAT CHECK VALVE C <br /> OVVEERFILLSPROTECTION M N <br /> ON <br /> MINIMUM SLOPE 1/8"PER FOOT (C N <br /> PITCH TOWARD VENT - <br /> 100'MAX. LENGTH C1 <br /> AIR rF <br /> F O <br /> - 0 <br /> O <br /> B C A ~ <br /> VAPOR <br /> PLUG p = - <br /> I=1II=1II=1II=1II=1II=1II=1II=1II=1II II=1I1= I=1II=1 I=11I=11I=1 <br /> — — <br /> BALL VALVES BALL VALVE _III=III=III=III=11 <br /> LOCKED CLOSED LOCKED CLOSED BALL VALVE <br /> OR R= IfOR g LOCKED OPEN <br /> IN NORMAL IN NORMAL C�5]OR <br /> OPERATION OPERATION IN NORMAL <br /> OPERATION <br /> m <br /> x <br /> E <br /> a <br /> rt <br /> N <br />