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F- <br /> UNISTRUT PIPE SUPPORT PRESURE/SAMPLE PORT <br /> 1/4"9 THREADED <br /> FRESH AIR INLET 1 "o <br /> TRU—UNION BALL VALVE 2" MIN. CLEARANCE <br /> BALL CHACK VALVE INSIDE VAULT. (TYPICAL) <br /> f <br /> d ,O <br /> 2" FLANGE TRANSITION 00 0 <br /> FROM HDPE TO PVC 4" MIN. <br /> O <br /> 0 4"4 BUTTERFLY <br /> o FLOW CONTROL VALVE <br /> 0 0 6° MIN. <br /> 1 v ' <br /> d d n <br /> O <br /> O <br /> A PLAN VIEW OF TYPICAL SVE WELLHEAD VAULT <br /> 4 C 2 SCALE: 1 " = 1 ' <br /> PRESSURE/SAMPLE WELLHEAD PLUG <br /> 12" WIDE CONCRETE PORT ASSEMBLY TO BE <br />